Company lists · Data refreshed November 2026
Top 25 International call providers worldwide
RevenueBase identified 1,510 company matches for international call providers worldwide as of November 2026 and tracks 20,388 professional contacts across them, including 2,813 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for international call 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 November 6, 2026. Country and city lists for international call 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 international call providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 651 contacts → | ||||
Exact match “Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 637 contacts → | ||||
Exact match “Lycatel is the global market leader in the calling card market, generating 1.6 billion minutes per month, with 9 million customers, across 17 markets globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 468 contacts → | ||||
Exact match “TELNOR (Teléfonos del Noroeste), empresa líder en servicios de comunicación de telefonía local, larga distancia, proveedora de internet, servicios similares y soluciones…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 327 contacts → | ||||
Exact match “Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 323 contacts → | ||||
Exact match “Founded in 1992, BCM One is a corporate communications company that powers business connectivity for organizations ranging from SMBs to global enterprises.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 159 contacts → | ||||
Exact match “Unifon er et moderne teleselskap som leverer kostnadseffektive og smarte telefoniløsninger til bedrifter over hele landet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 144 contacts → | ||||
Exact match “Unifiedvoice is a globally recognized VoIP service and solutions provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 129 contacts → | ||||
Exact match “Pure IP, a BCM One Company, provides global communications and connectivity solutions built for distributed enterprises.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 126 contacts → | ||||
Exact match “Quickcom is a globally competitive provider of international communication services, specializing in voice and messaging solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 123 contacts → | ||||
Exact match “DIDWW is a fully licensed telecom operator specializing in two-way Voice and Messaging services in 90+ geographies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 112 contacts → | ||||
Exact match “Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 104 contacts → | ||||
Exact match “Somos una empresa de telecomunicaciones, presente en el mercado mexicano desde 1996.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 101 contacts → | ||||
Exact match “Established in 2005, Broadband Telecom Inc.(BTI) is a leading wholesale carrier of international voice traffic with FCC 214 License.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 96 contacts → | ||||
Exact match “Rebtel is a consumer communications company built for dual-culture people-immigrants, expats, and international students who live between cultures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 92 contacts → | ||||
Exact match “Wavecrest is a global managed voice and messaging services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 84 contacts → | ||||
Exact match “UniTalk - єдине рішення для керування спілкуванням з клієнтами.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 82 contacts → | ||||
Exact match “As a leading supplier of infrastructure solutions and value-added services to telecommunication operators, Teligent Telecom support its customers worldwide with network services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 81 contacts → | ||||
Exact match “Headquartered in Fort Lee, NJ, Locus Telecommunications is an established, leading provider of long distance, wireless, point-of-sale and carrier services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 76 contacts → | ||||
Exact match “Michigan-based TelNet Worldwide, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 74 contacts → | ||||
Exact match “Cloudli is a leading provider of next generation voice, messaging, and data communications solutions for businesses and consumers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 68 contacts → | ||||
Exact match “Headquartered in New York City, InterGlobe Communications is a one stop network service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 68 contacts → | ||||
Exact match “We Help Businesses Communicate and Collaborate Freely" Allied Communications, is an established, customer-driven, results-oriented data/telecommunications company, offering a rare…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 63 contacts → | ||||
Exact match “Ultranet Telecom Ghana Limited is a leading provider of wholesale international voice connectivity and in the telecom-related business field.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 58 contacts → | ||||
Exact match “Sonetel, a Swedish company listed at Nasdaq First North, empowers small businesses and entrepreneurs globally by providing communication solutions, including business phone…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 56 contacts → | ||||
Exact match “Redvoiss fue la primera empresa latinoamericana en ofrecer el servicio de Telefonía por Internet, cuenta con más de una década en el mercado de las telecomunicaciones.” Recorded in the RevenueBase company graph · Nov 6, 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 “international call 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 1,510 international call providers worldwide
See the full list, filter by size, metro and specialty, and access 2,813 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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International call providers worldwide at a glance
As of Nov 6, 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 international call providers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “international call 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 2,813 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 November 6, 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.
International call providers by location
10 lists · largest firstEvery International call providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- International call providers based in the United States351
- International call providers based in the United Kingdom147
- International call providers based in Canada61
- International call providers based in Brazil51
- International call providers based in Spain34
- International call providers based in the United Arab Emirates30
- International call providers based in Australia29
- International call providers based in Singapore28
- International call providers based in Germany27
Cities
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 “international call providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many international call providers are there worldwide?
RevenueBase identified 1,510 company matches for international call providers worldwide as of November 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?
Ooma, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most international call providers?
The United States leads with 351 companies, followed by the United Kingdom (147) and Canada (61). Every international call providers list by country and city is linked on this page.
Which city has the most international call providers?
London leads with 69 company records, followed by New York (30) and Singapore (25).
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 2,813 professional contacts with verified work emails tracked across these 1,510 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,510 international call 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 international call 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 1,510 matching company records for international call providers worldwide, with 20,388 tracked contacts and 2,813 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: November 6, 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 international call 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 |  Ooma, INCooma.comHQ: Sunnyvale, CA, United StatesReported employees: 501-1,000 | Sunnyvale, CA, United States | 501-1,000 | Exact match | 651 contacts → |
“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Lycatellycatel.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 637 contacts → |
“Lycatel is the global market leader in the calling card market, generating 1.6 billion minutes per month, with 9 million customers, across 17 markets globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Telnortelnor.comHQ: Tijuana, MexicoReported employees: 1,001-5,000 | Tijuana, Mexico | 1,001-5,000 | Exact match | 468 contacts → |
“TELNOR (Teléfonos del Noroeste), empresa líder en servicios de comunicación de telefonía local, larga distancia, proveedora de internet, servicios similares y soluciones…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  KEYYOkeyyo.comHQ: Clichy, FranceReported employees: 201-500 | Clichy, France | 201-500 | Exact match | 327 contacts → |
“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BCM ONEbcmone.comHQ: New York, PA, United StatesReported employees: 501-1,000 | New York, PA, United States | 501-1,000 | Exact match | 323 contacts → |
“Founded in 1992, BCM One is a corporate communications company that powers business connectivity for organizations ranging from SMBs to global enterprises.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Unifonunifon.noHQ: Kristiansand, NorwayReported employees: 51-200 | Kristiansand, Norway | 51-200 | Exact match | 159 contacts → |
“Unifon er et moderne teleselskap som leverer kostnadseffektive og smarte telefoniløsninger til bedrifter over hele landet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Unified Voice Communication PVT LTDunifiedvoice.inHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 144 contacts → |
“Unifiedvoice is a globally recognized VoIP service and solutions provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Pure IPpure-ip.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 129 contacts → |
“Pure IP, a BCM One Company, provides global communications and connectivity solutions built for distributed enterprises.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Quickcom Telecom Limitedquickcomtel.comHQ: Kowloon, Hong KongReported employees: 51-200 | Kowloon, Hong Kong | 51-200 | Exact match | 126 contacts → |
“Quickcom is a globally competitive provider of international communication services, specializing in voice and messaging solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  DIDWWdidww.comHQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 123 contacts → |
“DIDWW is a fully licensed telecom operator specializing in two-way Voice and Messaging services in 90+ geographies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  YO Telecomyotelecom.co.ukHQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Servnet Mexicoservnet.mxHQ: México, MexicoReported employees: 51-200 | México, Mexico | 51-200 | Exact match | 104 contacts → |
“Somos una empresa de telecomunicaciones, presente en el mercado mexicano desde 1996.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Broadband Telecombroadbandtele.netHQ: Kew Gardens, NY, United StatesReported employees: 201-500 | Kew Gardens, NY, United States | 201-500 | Exact match | 101 contacts → |
“Established in 2005, Broadband Telecom Inc.(BTI) is a leading wholesale carrier of international voice traffic with FCC 214 License.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Rebtelrebtel.comHQ: Stockholm, SwedenReported employees: 51-200 | Stockholm, Sweden | 51-200 | Exact match | 96 contacts → |
“Rebtel is a consumer communications company built for dual-culture people-immigrants, expats, and international students who live between cultures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Wavecrestwavecrest.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“Wavecrest is a global managed voice and messaging services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Unitalkunitalk.cloudHQ: Kyiv, UkraineReported employees: 11-50 | Kyiv, Ukraine | 11-50 | Exact match | 84 contacts → |
“UniTalk - єдине рішення для керування спілкуванням з клієнтами.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Teligent Telecomteligent.seHQ: Danderyd, SwedenReported employees: 51-200 | Danderyd, Sweden | 51-200 | Exact match | 82 contacts → |
“As a leading supplier of infrastructure solutions and value-added services to telecommunication operators, Teligent Telecom support its customers worldwide with network services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Locus Telecommunications, LLClocus.netHQ: Fort Lee, NJ, United StatesReported employees: 201-500 | Fort Lee, NJ, United States | 201-500 | Exact match | 81 contacts → |
“Headquartered in Fort Lee, NJ, Locus Telecommunications is an established, leading provider of long distance, wireless, point-of-sale and carrier services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Telnet Worldwide An Ipfone Companytelnetww.comHQ: Southfield, MI, United StatesReported employees: 51-200 | Southfield, MI, United States | 51-200 | Exact match | 76 contacts → |
“Michigan-based TelNet Worldwide, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cloudli Communicationscloudli.comHQ: Montréal, DE, CanadaReported employees: 51-200 | Montréal, DE, Canada | 51-200 | Exact match | 74 contacts → |
“Cloudli is a leading provider of next generation voice, messaging, and data communications solutions for businesses and consumers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Interglobe Communicationsnyigc.comHQ: Staten Island, United StatesReported employees: 51-200 | Staten Island, United States | 51-200 | Exact match | 68 contacts → |
“Headquartered in New York City, InterGlobe Communications is a one stop network service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Allied Communicationsalliedphone.comHQ: West Haven, CT, United StatesReported employees: 11-50 | West Haven, CT, United States | 11-50 | Exact match | 68 contacts → |
“We Help Businesses Communicate and Collaborate Freely" Allied Communications, is an established, customer-driven, results-oriented data/telecommunications company, offering a rare…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ultranet Globalultranetgh.comHQ: Accra, GhanaReported employees: 51-200 | Accra, Ghana | 51-200 | Exact match | 63 contacts → |
“Ultranet Telecom Ghana Limited is a leading provider of wholesale international voice connectivity and in the telecom-related business field.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sonetelsonetel.comHQ: Stockholm, SwedenReported employees: 11-50 | Stockholm, Sweden | 11-50 | Exact match | 58 contacts → |
“Sonetel, a Swedish company listed at Nasdaq First North, empowers small businesses and entrepreneurs globally by providing communication solutions, including business phone…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Redvoissredvoiss.netHQ: Providencia, ChileReported employees: 51-200 | Providencia, Chile | 51-200 | Exact match | 56 contacts → |
“Redvoiss fue la primera empresa latinoamericana en ofrecer el servicio de Telefonía por Internet, cuenta con más de una década en el mercado de las telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,510 company matches
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International call providers: dataset insights
November 6, 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
1,496 records in the displayed employee bands.
14 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 1,510 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: November 6, 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 ↗
International call providers by location
10 lists · largest firstEvery International call providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- International call providers based in the United States351
- International call providers based in the United Kingdom147
- International call providers based in Canada61
- International call providers based in Brazil51
- International call providers based in Spain34
- International call providers based in the United Arab Emirates30
- International call providers based in Australia29
- International call providers based in Singapore28
- International call providers based in Germany27
Cities
Questions about this company list
What does Exact match mean for international call 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 international call providers did RevenueBase find worldwide?
The saved snapshot records 1,510 matching company records, 20,388 tracked contacts and 2,813 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: November 6, 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 international call providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/international-call-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 international call providers worldwide
RevenueBase records 1,510 matching company records for international call providers worldwide, with 20,388 tracked contacts and 2,813 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: November 6, 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 international call 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 | Ooma, INCooma.com HQ: Sunnyvale, CA, United StatesReported employees: 501-1,000 | Sunnyvale, CA, United States | 501-1,000 | Exact match | 651 contacts → |
“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Lycatellycatel.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 637 contacts → |
“Lycatel is the global market leader in the calling card market, generating 1.6 billion minutes per month, with 9 million customers, across 17 markets globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Telnortelnor.com HQ: Tijuana, MexicoReported employees: 1,001-5,000 | Tijuana, Mexico | 1,001-5,000 | Exact match | 468 contacts → |
“TELNOR (Teléfonos del Noroeste), empresa líder en servicios de comunicación de telefonía local, larga distancia, proveedora de internet, servicios similares y soluciones…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | KEYYOkeyyo.com HQ: Clichy, FranceReported employees: 201-500 | Clichy, France | 201-500 | Exact match | 327 contacts → |
“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BCM ONEbcmone.com HQ: New York, PA, United StatesReported employees: 501-1,000 | New York, PA, United States | 501-1,000 | Exact match | 323 contacts → |
“Founded in 1992, BCM One is a corporate communications company that powers business connectivity for organizations ranging from SMBs to global enterprises.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Unifonunifon.no HQ: Kristiansand, NorwayReported employees: 51-200 | Kristiansand, Norway | 51-200 | Exact match | 159 contacts → |
“Unifon er et moderne teleselskap som leverer kostnadseffektive og smarte telefoniløsninger til bedrifter over hele landet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Unified Voice Communication PVT LTDunifiedvoice.in HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 144 contacts → |
“Unifiedvoice is a globally recognized VoIP service and solutions provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Pure IPpure-ip.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 129 contacts → |
“Pure IP, a BCM One Company, provides global communications and connectivity solutions built for distributed enterprises.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Quickcom Telecom Limitedquickcomtel.com HQ: Kowloon, Hong KongReported employees: 51-200 | Kowloon, Hong Kong | 51-200 | Exact match | 126 contacts → |
“Quickcom is a globally competitive provider of international communication services, specializing in voice and messaging solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | DIDWWdidww.com HQ: Dublin, IrelandReported employees: 51-200 | Dublin, Ireland | 51-200 | Exact match | 123 contacts → |
“DIDWW is a fully licensed telecom operator specializing in two-way Voice and Messaging services in 90+ geographies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | YO Telecomyotelecom.co.uk HQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 112 contacts → |
“Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Servnet Mexicoservnet.mx HQ: México, MexicoReported employees: 51-200 | México, Mexico | 51-200 | Exact match | 104 contacts → |
“Somos una empresa de telecomunicaciones, presente en el mercado mexicano desde 1996.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Broadband Telecombroadbandtele.net HQ: Kew Gardens, NY, United StatesReported employees: 201-500 | Kew Gardens, NY, United States | 201-500 | Exact match | 101 contacts → |
“Established in 2005, Broadband Telecom Inc.(BTI) is a leading wholesale carrier of international voice traffic with FCC 214 License.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rebtelrebtel.com HQ: Stockholm, SwedenReported employees: 51-200 | Stockholm, Sweden | 51-200 | Exact match | 96 contacts → |
“Rebtel is a consumer communications company built for dual-culture people-immigrants, expats, and international students who live between cultures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Wavecrestwavecrest.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“Wavecrest is a global managed voice and messaging services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Unitalkunitalk.cloud HQ: Kyiv, UkraineReported employees: 11-50 | Kyiv, Ukraine | 11-50 | Exact match | 84 contacts → |
“UniTalk - єдине рішення для керування спілкуванням з клієнтами.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Teligent Telecomteligent.se HQ: Danderyd, SwedenReported employees: 51-200 | Danderyd, Sweden | 51-200 | Exact match | 82 contacts → |
“As a leading supplier of infrastructure solutions and value-added services to telecommunication operators, Teligent Telecom support its customers worldwide with network services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Locus Telecommunications, LLClocus.net HQ: Fort Lee, NJ, United StatesReported employees: 201-500 | Fort Lee, NJ, United States | 201-500 | Exact match | 81 contacts → |
“Headquartered in Fort Lee, NJ, Locus Telecommunications is an established, leading provider of long distance, wireless, point-of-sale and carrier services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Telnet Worldwide An Ipfone Companytelnetww.com HQ: Southfield, MI, United StatesReported employees: 51-200 | Southfield, MI, United States | 51-200 | Exact match | 76 contacts → |
“Michigan-based TelNet Worldwide, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cloudli Communicationscloudli.com HQ: Montréal, DE, CanadaReported employees: 51-200 | Montréal, DE, Canada | 51-200 | Exact match | 74 contacts → |
“Cloudli is a leading provider of next generation voice, messaging, and data communications solutions for businesses and consumers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Interglobe Communicationsnyigc.com HQ: Staten Island, United StatesReported employees: 51-200 | Staten Island, United States | 51-200 | Exact match | 68 contacts → |
“Headquartered in New York City, InterGlobe Communications is a one stop network service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Allied Communicationsalliedphone.com HQ: West Haven, CT, United StatesReported employees: 11-50 | West Haven, CT, United States | 11-50 | Exact match | 68 contacts → |
“We Help Businesses Communicate and Collaborate Freely" Allied Communications, is an established, customer-driven, results-oriented data/telecommunications company, offering a rare…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ultranet Globalultranetgh.com HQ: Accra, GhanaReported employees: 51-200 | Accra, Ghana | 51-200 | Exact match | 63 contacts → |
“Ultranet Telecom Ghana Limited is a leading provider of wholesale international voice connectivity and in the telecom-related business field.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sonetelsonetel.com HQ: Stockholm, SwedenReported employees: 11-50 | Stockholm, Sweden | 11-50 | Exact match | 58 contacts → |
“Sonetel, a Swedish company listed at Nasdaq First North, empowers small businesses and entrepreneurs globally by providing communication solutions, including business phone…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Redvoissredvoiss.net HQ: Providencia, ChileReported employees: 51-200 | Providencia, Chile | 51-200 | Exact match | 56 contacts → |
“Redvoiss fue la primera empresa latinoamericana en ofrecer el servicio de Telefonía por Internet, cuenta con más de una década en el mercado de las telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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International call providers: dataset insights
November 6, 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
1,496 records in the displayed employee bands.
14 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 1,510 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: November 6, 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 ↗
International call providers by location
10 lists · largest firstEvery International call providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- International call providers based in the United States351
- International call providers based in the United Kingdom147
- International call providers based in Canada61
- International call providers based in Brazil51
- International call providers based in Spain34
- International call providers based in the United Arab Emirates30
- International call providers based in Australia29
- International call providers based in Singapore28
- International call providers based in Germany27
Cities
Questions about this company list
What does Exact match mean for international call 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 international call providers did RevenueBase find worldwide?
The saved snapshot records 1,510 matching company records, 20,388 tracked contacts and 2,813 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: November 6, 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
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Cite this list
RevenueBase Data Team. Top 25 international call providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/international-call-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗