Company lists · Data refreshed September 2026
Top 25 Telephone service providers worldwide
RevenueBase identified 3,437 company matches for telephone service providers worldwide as of September 2026 and tracks 841,330 professional contacts across them, including 128,790 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.
This list covers company matches for telephone service providers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026. Country and city lists for telephone service providers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest telephone service providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 149,412 contacts → | ||||
Exact match “We understand that our customers want an easier, less complicated life.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 71,767 contacts → | ||||
Exact match “Orange is one of the world’s leading telecommunications operators with revenues of 40.3 billion euros in 2024 and employees worldwide at 31 December 2024, including employees in…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 67,946 contacts → | ||||
Exact match “Airtel was founded to provide global connectivity and unlock endless opportunities.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 30,465 contacts → | ||||
Exact match “Prazer, somos a Claro!” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 29,859 contacts → | ||||
Exact match “Vivo (Telefônica Brasil) is part of the Telefónica Group and with more than 94 million customers, of which 75 million mobile and 19 million fixed, we are the largest…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 26,596 contacts → | ||||
Exact match “Spectrum is a suite of advanced communications services offered by Charter Communications, Inc.(NASDAQ:CHTR), a leading broadband connectivity company available to more than 57…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 19,263 contacts → | ||||
Exact match “We are driving the digital transition of Italy and Brazil with innovative technologies and services because we want to contribute to accelerating the sustainable growth of the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 14,061 contacts → | ||||
Exact match “Since its establishment in 1854, Telecom Egypt has played a pivotal role in driving growth within the local ICT market capitalizing on its vast infrastructure, which is one of the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 12,790 contacts → | ||||
Exact match “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 10,623 contacts → | ||||
Exact match “Pakistan’s number one digital operator and the largest internet and broadband service provider with over 70 million subscribers nationwide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 10,572 contacts → | ||||
Exact match “We are Telecom Argentina, a connectivity solutions and entertainment company with over collaborators throughout the country.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 9,922 contacts → | ||||
Exact match “SFR is the number one alternative telecoms operator in France.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 7,275 contacts → | ||||
Exact match “Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 6,465 contacts → | ||||
Exact match “Add life to life.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 6,379 contacts → | ||||
Exact match “Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 5,338 contacts → | ||||
Exact match “Dialog Axiata PLC is Sri Lanka’s flagship telecommunications service provider, which operates Dialog Mobile– the country’s largest mobile network.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 5,324 contacts → | ||||
Exact match “Claro Chile es filial de América Móvil, el tercer operador de telecomunicaciones en el mundo y el más grande de Latinoamérica.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 5,061 contacts → | ||||
Exact match “Tunisie Telecom est parmi les pionniers des grands opérateurs Telecom de la région.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 5,037 contacts → | ||||
Exact match “VodafoneZiggo is een krachtenbundeling van twee sterke Nederlandse bedrijven.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 4,921 contacts → | ||||
Exact match “A GVT é a empresa nacional que mais cresce no setor de telecomunicações.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 4,454 contacts → | ||||
Exact match “Claro Perú es subsidiaria de América Móvil, la empresa líder en servicios integrados de telecomunicaciones en Latinoamérica.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 4,023 contacts → | ||||
Exact match “In today’s fast-paced digital world, Spark is here to help all New Zealanders stay ahead.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 3,892 contacts → | ||||
Exact match “Orange Polska is the principal supplier of telecommunications services in Poland.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 3,850 contacts → | ||||
Exact match “WINDTRE è l’operatore italiano che offre connessioni, energia e prodotti assicurativi*.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 3,742 contacts → | ||||
Exact match “A1 – Internet, Voice, TV and IT-Services from One Source A1 is Austria’s leading communications provider, encompassing more than 5.3 million mobile communications customers and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “telephone service providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 3,437 telephone service providers worldwide
See the full list, filter by size, metro and specialty, and access 128,790 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telephone service providers worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for telephone service providers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “telephone service providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 128,790 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Telephone service providers by location
18 lists · largest firstEvery Telephone service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telephone service providers based in Brazil613
- Telephone service providers based in the United States329
- Telephone service providers based in Spain237
- Telephone service providers based in the United Kingdom156
- Telephone service providers based in Germany151
- Telephone service providers based in France147
- Telephone service providers based in Italy139
- Telephone service providers based in Canada85
- Telephone service providers based in Poland81
- Telephone service providers based in Australia75
- Telephone service providers based in the Netherlands62
- Telephone service providers based in India48
- Telephone service providers based in Mexico38
- Telephone service providers based in Türkiye38
- Telephone service providers based in Argentina32
- Telephone service providers based in Switzerland27
- Telephone service providers based in Belgium26
- Telephone service providers based in Sweden26
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “telephone service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telephone service providers are there worldwide?
RevenueBase identified 3,437 company matches for telephone service providers worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
At&t tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most telephone service providers?
Brazil leads with 613 companies, followed by the United States (329) and Spain (237). Every telephone service providers list by country and city is linked on this page.
Which city has the most telephone service providers?
Sao Paulo leads with 50 company records, followed by London (27) and Madrid (20).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 128,790 professional contacts with verified work emails tracked across these 3,437 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,437 telephone service providers worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 telephone service providers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,437 matching company records for telephone service providers worldwide, with 841,330 tracked contacts and 128,790 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 telephone service providers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  At&tatt.comHQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 149,412 contacts → |
“We understand that our customers want an easier, less complicated life.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Orangeorange.comHQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 71,767 contacts → |
“Orange is one of the world’s leading telecommunications operators with revenues of 40.3 billion euros in 2024 and employees worldwide at 31 December 2024, including employees in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Airtelairtel.comHQ: Gurgaon, IndiaReported employees: 10001+ | Gurgaon, India | 10001+ | Exact match | 67,946 contacts → |
“Airtel was founded to provide global connectivity and unlock endless opportunities.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Claro Brasilclaro.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 30,465 contacts → |
“Prazer, somos a Claro!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Vivo Telefônica Brasilvivo.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 29,859 contacts → |
“Vivo (Telefônica Brasil) is part of the Telefónica Group and with more than 94 million customers, of which 75 million mobile and 19 million fixed, we are the largest…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Spectrumspectrum.comHQ: Stamford, NC, United StatesReported employees: 10001+ | Stamford, NC, United States | 10001+ | Exact match | 26,596 contacts → |
“Spectrum is a suite of advanced communications services offered by Charter Communications, Inc.(NASDAQ:CHTR), a leading broadband connectivity company available to more than 57…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  TIMgruppotim.itHQ: Milano, ItalyReported employees: 10001+ | Milano, Italy | 10001+ | Exact match | 19,263 contacts → |
“We are driving the digital transition of Italy and Brazil with innovative technologies and services because we want to contribute to accelerating the sustainable growth of the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Telecom Egyptte.eg HQ: Smart Village, EgyptReported employees: 10001+ | Smart Village, Egypt | 10001+ | Exact match | 14,061 contacts → |
“Since its establishment in 1854, Telecom Egypt has played a pivotal role in driving growth within the local ICT market capitalizing on its vast infrastructure, which is one of the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Turkcellturkcell.com.tr HQ: Istanbul, TürkiyeReported employees: 5,001-10,000 | Istanbul, Türkiye | 5,001-10,000 | Exact match | 12,790 contacts → |
“Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | JAZZjazz.com.pk HQ: Islamabad, PakistanReported employees: 1,001-5,000 | Islamabad, Pakistan | 1,001-5,000 | Exact match | 10,623 contacts → |
“Pakistan’s number one digital operator and the largest internet and broadband service provider with over 70 million subscribers nationwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Telecom Argentinainstitucional.telecom.com.ar HQ: Ciudad, ArgentinaReported employees: 10001+ | Ciudad, Argentina | 10001+ | Exact match | 10,572 contacts → |
“We are Telecom Argentina, a connectivity solutions and entertainment company with over collaborators throughout the country.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SFRrecrutement.sfr.com HQ: Paris, FranceReported employees: 5,001-10,000 | Paris, France | 5,001-10,000 | Exact match | 9,922 contacts → |
“SFR is the number one alternative telecoms operator in France.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Windstreamuniti.comHQ: Little Rock, AR, United StatesReported employees: 10001+ | Little Rock, AR, United States | 10001+ | Exact match | 7,275 contacts → |
“Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DUdu.ae HQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 6,465 contacts → |
“Add life to life.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cable ONEcableone.net HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 6,379 contacts → |
“Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Dialog Axiata PLCdialog.lkHQ: Colombo 2, Sri LankaReported employees: 1,001-5,000 | Colombo 2, Sri Lanka | 1,001-5,000 | Exact match | 5,338 contacts → |
“Dialog Axiata PLC is Sri Lanka’s flagship telecommunications service provider, which operates Dialog Mobile– the country’s largest mobile network.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Claro Chile S.Aclarochile.cl HQ: Huechuraba, ChileReported employees: 1,001-5,000 | Huechuraba, Chile | 1,001-5,000 | Exact match | 5,324 contacts → |
“Claro Chile es filial de América Móvil, el tercer operador de telecomunicaciones en el mundo y el más grande de Latinoamérica.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tunisie Telecomtunisietelecom.tn HQ: Tunis, TunisiaReported employees: 5,001-10,000 | Tunis, Tunisia | 5,001-10,000 | Exact match | 5,061 contacts → |
“Tunisie Telecom est parmi les pionniers des grands opérateurs Telecom de la région.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Vodafoneziggovodafoneziggo.comHQ: Utrecht, NetherlandsReported employees: 5,001-10,000 | Utrecht, Netherlands | 5,001-10,000 | Exact match | 5,037 contacts → |
“VodafoneZiggo is een krachtenbundeling van twee sterke Nederlandse bedrijven.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  GVTtelefonica.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 4,921 contacts → |
“A GVT é a empresa nacional que mais cresce no setor de telecomunicações.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Claro Perúclaro.com.pe HQ: La Victoria, VenezuelaReported employees: 1,001-5,000 | La Victoria, Venezuela | 1,001-5,000 | Exact match | 4,454 contacts → |
“Claro Perú es subsidiaria de América Móvil, la empresa líder en servicios integrados de telecomunicaciones en Latinoamérica.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Spark NEW Zealandsparknz.co.nzHQ: Cbd, New ZealandReported employees: 5,001-10,000 | Cbd, New Zealand | 5,001-10,000 | Exact match | 4,023 contacts → |
“In today’s fast-paced digital world, Spark is here to help all New Zealanders stay ahead.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Orange Polskaorange.pl HQ: Warszawa, PolandReported employees: 1,001-5,000 | Warszawa, Poland | 1,001-5,000 | Exact match | 3,892 contacts → |
“Orange Polska is the principal supplier of telecommunications services in Poland.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Wind TREwindtregroup.itHQ: Milano, ItalyReported employees: 5,001-10,000 | Milano, Italy | 5,001-10,000 | Exact match | 3,850 contacts → |
“WINDTRE è l’operatore italiano che offre connessioni, energia e prodotti assicurativi*.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  A1 Telekom Austria AGa1.comHQ: Vienna, AustriaReported employees: 5,001-10,000 | Vienna, Austria | 5,001-10,000 | Exact match | 3,742 contacts → |
“A1 – Internet, Voice, TV and IT-Services from One Source A1 is Austria’s leading communications provider, encompassing more than 5.3 million mobile communications customers and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,437 company matches
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Telephone service providers: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
3,406 records in the displayed employee bands.
31 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,437 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Telephone service providers by location
18 lists · largest firstEvery Telephone service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telephone service providers based in Brazil613
- Telephone service providers based in the United States329
- Telephone service providers based in Spain237
- Telephone service providers based in the United Kingdom156
- Telephone service providers based in Germany151
- Telephone service providers based in France147
- Telephone service providers based in Italy139
- Telephone service providers based in Canada85
- Telephone service providers based in Poland81
- Telephone service providers based in Australia75
- Telephone service providers based in the Netherlands62
- Telephone service providers based in India48
- Telephone service providers based in Mexico38
- Telephone service providers based in Türkiye38
- Telephone service providers based in Argentina32
- Telephone service providers based in Switzerland27
- Telephone service providers based in Belgium26
- Telephone service providers based in Sweden26
Questions about this company list
What does Exact match mean for telephone service providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telephone service providers did RevenueBase find worldwide?
The saved snapshot records 3,437 matching company records, 841,330 tracked contacts and 128,790 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 telephone service providers worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/telephone-service-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 telephone service providers worldwide
RevenueBase records 3,437 matching company records for telephone service providers worldwide, with 841,330 tracked contacts and 128,790 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 telephone service providers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | At&tatt.com HQ: Dallas, TX, United StatesReported employees: 10001+ | Dallas, TX, United States | 10001+ | Exact match | 149,412 contacts → |
“We understand that our customers want an easier, less complicated life.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Orangeorange.com HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 71,767 contacts → |
“Orange is one of the world’s leading telecommunications operators with revenues of 40.3 billion euros in 2024 and employees worldwide at 31 December 2024, including employees in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Airtelairtel.com HQ: Gurgaon, IndiaReported employees: 10001+ | Gurgaon, India | 10001+ | Exact match | 67,946 contacts → |
“Airtel was founded to provide global connectivity and unlock endless opportunities.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Claro Brasilclaro.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 30,465 contacts → |
“Prazer, somos a Claro!” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vivo Telefônica Brasilvivo.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 29,859 contacts → |
“Vivo (Telefônica Brasil) is part of the Telefónica Group and with more than 94 million customers, of which 75 million mobile and 19 million fixed, we are the largest…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Spectrumspectrum.com HQ: Stamford, NC, United StatesReported employees: 10001+ | Stamford, NC, United States | 10001+ | Exact match | 26,596 contacts → |
“Spectrum is a suite of advanced communications services offered by Charter Communications, Inc.(NASDAQ:CHTR), a leading broadband connectivity company available to more than 57…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TIMgruppotim.it HQ: Milano, ItalyReported employees: 10001+ | Milano, Italy | 10001+ | Exact match | 19,263 contacts → |
“We are driving the digital transition of Italy and Brazil with innovative technologies and services because we want to contribute to accelerating the sustainable growth of the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Telecom Egyptte.eg HQ: Smart Village, EgyptReported employees: 10001+ | Smart Village, Egypt | 10001+ | Exact match | 14,061 contacts → |
“Since its establishment in 1854, Telecom Egypt has played a pivotal role in driving growth within the local ICT market capitalizing on its vast infrastructure, which is one of the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Turkcellturkcell.com.tr HQ: Istanbul, TürkiyeReported employees: 5,001-10,000 | Istanbul, Türkiye | 5,001-10,000 | Exact match | 12,790 contacts → |
“Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | JAZZjazz.com.pk HQ: Islamabad, PakistanReported employees: 1,001-5,000 | Islamabad, Pakistan | 1,001-5,000 | Exact match | 10,623 contacts → |
“Pakistan’s number one digital operator and the largest internet and broadband service provider with over 70 million subscribers nationwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Telecom Argentinainstitucional.telecom.com.ar HQ: Ciudad, ArgentinaReported employees: 10001+ | Ciudad, Argentina | 10001+ | Exact match | 10,572 contacts → |
“We are Telecom Argentina, a connectivity solutions and entertainment company with over collaborators throughout the country.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SFRrecrutement.sfr.com HQ: Paris, FranceReported employees: 5,001-10,000 | Paris, France | 5,001-10,000 | Exact match | 9,922 contacts → |
“SFR is the number one alternative telecoms operator in France.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Windstreamuniti.com HQ: Little Rock, AR, United StatesReported employees: 10001+ | Little Rock, AR, United States | 10001+ | Exact match | 7,275 contacts → |
“Windstream and Uniti have merged - Please follow us at Uniti Group, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | DUdu.ae HQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 6,465 contacts → |
“Add life to life.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cable ONEcableone.net HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 6,379 contacts → |
“Cable One Business offers scalable, reliable, and efficient solutions so that the businesses we serve can be successful.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dialog Axiata PLCdialog.lk HQ: Colombo 2, Sri LankaReported employees: 1,001-5,000 | Colombo 2, Sri Lanka | 1,001-5,000 | Exact match | 5,338 contacts → |
“Dialog Axiata PLC is Sri Lanka’s flagship telecommunications service provider, which operates Dialog Mobile– the country’s largest mobile network.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Claro Chile S.Aclarochile.cl HQ: Huechuraba, ChileReported employees: 1,001-5,000 | Huechuraba, Chile | 1,001-5,000 | Exact match | 5,324 contacts → |
“Claro Chile es filial de América Móvil, el tercer operador de telecomunicaciones en el mundo y el más grande de Latinoamérica.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tunisie Telecomtunisietelecom.tn HQ: Tunis, TunisiaReported employees: 5,001-10,000 | Tunis, Tunisia | 5,001-10,000 | Exact match | 5,061 contacts → |
“Tunisie Telecom est parmi les pionniers des grands opérateurs Telecom de la région.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Vodafoneziggovodafoneziggo.com HQ: Utrecht, NetherlandsReported employees: 5,001-10,000 | Utrecht, Netherlands | 5,001-10,000 | Exact match | 5,037 contacts → |
“VodafoneZiggo is een krachtenbundeling van twee sterke Nederlandse bedrijven.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | GVTtelefonica.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 4,921 contacts → |
“A GVT é a empresa nacional que mais cresce no setor de telecomunicações.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Claro Perúclaro.com.pe HQ: La Victoria, VenezuelaReported employees: 1,001-5,000 | La Victoria, Venezuela | 1,001-5,000 | Exact match | 4,454 contacts → |
“Claro Perú es subsidiaria de América Móvil, la empresa líder en servicios integrados de telecomunicaciones en Latinoamérica.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Spark NEW Zealandsparknz.co.nz HQ: Cbd, New ZealandReported employees: 5,001-10,000 | Cbd, New Zealand | 5,001-10,000 | Exact match | 4,023 contacts → |
“In today’s fast-paced digital world, Spark is here to help all New Zealanders stay ahead.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Orange Polskaorange.pl HQ: Warszawa, PolandReported employees: 1,001-5,000 | Warszawa, Poland | 1,001-5,000 | Exact match | 3,892 contacts → |
“Orange Polska is the principal supplier of telecommunications services in Poland.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Wind TREwindtregroup.it HQ: Milano, ItalyReported employees: 5,001-10,000 | Milano, Italy | 5,001-10,000 | Exact match | 3,850 contacts → |
“WINDTRE è l’operatore italiano che offre connessioni, energia e prodotti assicurativi*.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | A1 Telekom Austria AGa1.com HQ: Vienna, AustriaReported employees: 5,001-10,000 | Vienna, Austria | 5,001-10,000 | Exact match | 3,742 contacts → |
“A1 – Internet, Voice, TV and IT-Services from One Source A1 is Austria’s leading communications provider, encompassing more than 5.3 million mobile communications customers and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Telephone service providers: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
3,406 records in the displayed employee bands.
31 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,437 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Telephone service providers by location
18 lists · largest firstEvery Telephone service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telephone service providers based in Brazil613
- Telephone service providers based in the United States329
- Telephone service providers based in Spain237
- Telephone service providers based in the United Kingdom156
- Telephone service providers based in Germany151
- Telephone service providers based in France147
- Telephone service providers based in Italy139
- Telephone service providers based in Canada85
- Telephone service providers based in Poland81
- Telephone service providers based in Australia75
- Telephone service providers based in the Netherlands62
- Telephone service providers based in India48
- Telephone service providers based in Mexico38
- Telephone service providers based in Türkiye38
- Telephone service providers based in Argentina32
- Telephone service providers based in Switzerland27
- Telephone service providers based in Belgium26
- Telephone service providers based in Sweden26
Questions about this company list
What does Exact match mean for telephone service providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telephone service providers did RevenueBase find worldwide?
The saved snapshot records 3,437 matching company records, 841,330 tracked contacts and 128,790 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 telephone service providers worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/telephone-service-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗