Company lists · Data refreshed September 2026
Top 25 Landline providers worldwide
RevenueBase identified 818 landline providers worldwide as of September 2026 and tracks 64,822 professional contacts across them, including 9,397 with verified work emails. The United Kingdom is the largest market and London the largest hub.
This list covers landline providers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for landline providers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 landline providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,790 contacts → | ||||
Indirect evidence “Turkcell is a converged telecommunication and technology services provider, founded and headquartered in Türkiye.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,921 contacts → | ||||
Indirect evidence “A GVT é a empresa nacional que mais cresce no setor de telecomunicações.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,850 contacts → | ||||
Indirect evidence “WINDTRE è l’operatore italiano che offre connessioni, energia e prodotti assicurativi*.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3,284 contacts → | ||||
Indirect evidence “Sunrise is Switzerland’s leading challenger in the telecommunications market and is listed on the SIX Swiss Exchange (SUNN).” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 2,658 contacts → | ||||
Indirect evidence “DIGI es una empresa que pertenece a la multinacional DIGI Communications, con 30 años de experiencia en el sector de las telecomunicaciones y presente en España desde 2008 donde…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,822 contacts → | ||||
Indirect evidence “HOT is a group of communication companies that offers customers a great variety of communication services, including multi-channel television, fast internet infrastructure with a…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,222 contacts → | ||||
Indirect evidence “Somos uma operadora independente de telecomunicações, com sede na cidade de São Paulo/SP, que oferece serviços de internet de alta velocidade por fibra óptica, além de TV por…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1,149 contacts → | ||||
Indirect evidence “Cybernet, a part of the Lakson Group of Companies, is a leading fixed-line telecommunications provider with nearly three decades of experience in delivering reliable connectivity…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 1,137 contacts → | ||||
Indirect evidence “Mirë se vini në One Albania, ku njerëzit frymëzojnë teknologjinë!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,127 contacts → | ||||
Indirect evidence “Telikom PNG is the leading telecommunications company in the South Pacific region operating its own leading systems and technology.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,047 contacts → | ||||
Indirect evidence “פרטנר היא קבוצה תקשורת ישראלית מובילה שהוקמה בשנת 1997 ומניותיה נסחרות בבורסה לניירות ערך בתל אביב.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 980 contacts → | ||||
Indirect evidence “For more than 20 years, Paltel seeks to enrich the life of its customers with innovative communications and entertainment solutions to “Change Tomorrow”.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 727 contacts → | ||||
Indirect evidence “SmarTone is a leading telecommunications company in Hong Kong, providing voice, multimedia and mobile broadband services, as well as fixed fibre broadband services for the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 727 contacts → | ||||
Indirect evidence “Telsur the leading telecommunications company in the south of Chile.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 563 contacts → | ||||
Indirect evidence “Moldtelecom este Operatorul Naţional de Telecomunicaţii din Republica Moldova cu servicii şi produse de cea mai înaltă calitate.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 562 contacts → | ||||
Indirect evidence “За A1 Компанијата А1 Македонија е член на А1 Телеком Австрија Групацијата, водечки провајдер за комуникациски и дигитални решенија во Централна и Источна Европа кој работи во…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 477 contacts → | ||||
Indirect evidence “Mtel a.d.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 430 contacts → | ||||
Indirect evidence “TELNOR (Teléfonos del Noroeste), empresa líder en servicios de comunicación de telefonía local, larga distancia, proveedora de internet, servicios similares y soluciones…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 396 contacts → | ||||
Indirect evidence “ONO es la compañía de comunicación y entretenimiento por fibra óptica líder en España.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 357 contacts → | ||||
Indirect evidence “Digi is proud to be an enabler of economic growth in Belize, while offering a combination of value and best wireless services to our customers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 303 contacts → | ||||
Indirect evidence “T-2, d.o.o.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 254 contacts → | ||||
Indirect evidence “Fixed and mobile, Telecommunications Solution Service provider, we specialize in customer service and quality telecom services for the Industry, Commercial and Residential…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 251 contacts → | ||||
Indirect evidence “МГТС, это инфраструктурный оператор и партнер города Москвы.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 244 contacts → | ||||
Indirect evidence “Founded in 1995 by Olivetti (Infostrada for fixed comunications and Omnitel for mobile comunications), acquired in 2002 (january the 1st) from ENEL S.p.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 235 contacts → | ||||
Indirect evidence “Com mais de 30 anos de experiência no mercado, a Amigo se destaca como a provedora de internet, telefone, câmera e TV que você pode contar.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: landline providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names landline providers.
- Partial evidence
- Its own public description names part of landline providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name landline providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 818 landline providers worldwide
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Landline providers worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among landline providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for landline providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “landline providers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names landline providers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among landline providers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 9,397 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Landline providers by location
5 lists · largest firstEvery Landline providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names landline providers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many landline providers are there worldwide?
RevenueBase identified 818 landline providers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Turkcell, headquartered in Maltepe, tops this list with the largest team on record.
Which country has the most landline providers?
The United Kingdom leads with 108 companies, followed by Brazil (106) and the United States (88). Every landline providers list by country and city is linked on this page.
Which city has the most landline providers?
London leads with 16 headquartered companies, followed by Sao Paulo (8) and Brasilia (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 9,397 verified decision-maker contacts tracked across these 818 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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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 Smart Search, 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.