Company lists · Data refreshed November 2026
Top 25 International calling service providers worldwide
RevenueBase identified 299 company matches for international calling service providers worldwide as of November 2026 and tracks 2,797 professional contacts across them, including 313 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for international calling 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 November 6, 2026. Country and city lists for international calling 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 international calling service providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 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 | |||||
| 4 | 47 contacts → | ||||
Exact match “SRVR - the leader in International Telecommunications – helps our customers connect with the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 41 contacts → | ||||
Exact match “TollFreeForwarding.com is the #1 provider of international virtual phone numbers & international call forwarding services in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 36 contacts → | ||||
Exact match “NetworkIP provides international long distance services for wireless, wired and VoIP networks to mobile and cable operators, distributors and agents.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 36 contacts → | ||||
Exact match “Global Borderless Telco.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 35 contacts → | ||||
Exact match “We are global telecommunications provider of international voice, data, messaging and outsourcing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 33 contacts → | ||||
Exact match “Established in 2002, 42com Telecommunication GmbH started by designing a white-label VoIP platform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 27 contacts → | ||||
Exact match “Shree Telecom LLC is a USA Based VoIP company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 25 contacts → | ||||
Exact match “Armatel - is an international service provider founded by a team of professionals in the field of telecommunications with solid and extensive knowledge and experience, registered…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 23 contacts → | ||||
Exact match “Phone the world from 0.3p per minute!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 17 contacts → | ||||
Exact match “Welcome to 011 Global: Connecting Communities, Bridging Distances Since 2007 At 011 Global, we have been dedicated to facilitating seamless connections for migrant communities…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 17 contacts → | ||||
Exact match “Ashburn, VA based VIP Communications, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 17 contacts → | ||||
Exact match “TELESENSE Global Carrier Pte Ltd (TELESENSE) – “Connecting Your Voice” Founded in 2017 and headquartered in Singapore, TELESENSE is a fast-growing international telecom company…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 17 contacts → | ||||
Exact match “UIS (Unique Intelligent Services) telecommunication company was founded in and became one of the most successful IP telephony providers on the Russian market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 16 contacts → | ||||
Exact match “Global Telelinks GmbH is a Swiss-based International long distance telecom company with presence in more than 25 countries including USA, Canada, UK, Australia, New Zealand…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “Whether you are running a small business or operating globally, Bunnji can help you with your business telecommunications and IT requirements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 14 contacts → | ||||
Exact match “Stay Connected Wherever You Go!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 12 contacts → | ||||
Exact match “Tele Circuit Network Corporation is a telecommunications company that takes great pride in its innovative long distance services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “DIALOQ is a Mobile Virtual Network Operator registered in Switzerland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 11 contacts → | ||||
Exact match “ICOM VOICE is one of the most promising Telecommunication Service Providers based in the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 10 contacts → | ||||
Exact match “Advanced Com International Limited (ADCOM) is a leading VoIP transit company founded in 2010 in Hong Kong.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 10 contacts → | ||||
Exact match “Heer Teleservices Limited.” 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 calling 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 299 international calling service providers worldwide
See the full list, filter by size, metro and specialty, and access 313 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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International calling service 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 calling service providers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “international calling 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 313 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 calling service providers by location
1 lists · largest firstEvery International calling service 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 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 calling service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many international calling service providers are there worldwide?
RevenueBase identified 299 company matches for international calling service 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?
Lycatel tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most international calling service providers?
The United States leads with 57 companies. Every international calling service providers list by country and city is linked on this page.
Which city has the most international calling service providers?
London leads with 17 company records, followed by New York (8) and Brampton (4).
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 313 professional contacts with verified work emails tracked across these 299 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 299 international calling 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 international calling 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 299 matching company records for international calling service providers worldwide, with 2,797 tracked contacts and 313 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 calling 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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  Srvr, LLCsrvrco.comHQ: Troy, MI, United StatesReported employees: 201-500 | Troy, MI, United States | 201-500 | Exact match | 47 contacts → |
“SRVR - the leader in International Telecommunications – helps our customers connect with the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  tollfreeforwarding.comtollfreeforwarding.comHQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 41 contacts → |
“TollFreeForwarding.com is the #1 provider of international virtual phone numbers & international call forwarding services in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Networkipnetworkip.netHQ: Longview, TX, United StatesReported employees: 51-200 | Longview, TX, United States | 51-200 | Exact match | 36 contacts → |
“NetworkIP provides international long distance services for wireless, wired and VoIP networks to mobile and cable operators, distributors and agents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  SK Telinksktelink.comHQ: Seoul, South KoreaReported employees: 51-200 | Seoul, South Korea | 51-200 | Exact match | 36 contacts → |
“Global Borderless Telco.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Apelbyapelby.comHQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 35 contacts → |
“We are global telecommunications provider of international voice, data, messaging and outsourcing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  42com Telecommunication Gmbh42com.comHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 33 contacts → |
“Established in 2002, 42com Telecommunication GmbH started by designing a white-label VoIP platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Shree Telecom LLCshreetelecomllc.comHQ: Sheridan, United StatesReported employees: 1-10 | Sheridan, United States | 1-10 | Exact match | 27 contacts → |
“Shree Telecom LLC is a USA Based VoIP company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Armatelarmatel.comHQ: Довер, United StatesReported employees: 11-50 | Довер, United States | 11-50 | Exact match | 25 contacts → |
“Armatel - is an international service provider founded by a team of professionals in the field of telecommunications with solid and extensive knowledge and experience, registered…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Localphone LTDlocalphone.comHQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Phone the world from 0.3p per minute!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  011global011global.comHQ: Margate, FL, United StatesReported employees: 11-50 | Margate, FL, United States | 11-50 | Exact match | 17 contacts → |
“Welcome to 011 Global: Connecting Communities, Bridging Distances Since 2007 At 011 Global, we have been dedicated to facilitating seamless connections for migrant communities…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  VIP Communicationsjoinvip.comHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 17 contacts → |
“Ashburn, VA based VIP Communications, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Telesense Global Carrier PTE LTDtelesenseglobal.comHQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 17 contacts → |
“TELESENSE Global Carrier Pte Ltd (TELESENSE) – “Connecting Your Voice” Founded in 2017 and headquartered in Singapore, TELESENSE is a fast-growing international telecom company…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  UISuiscom.ruHQ: Moscow, RussiaReported employees: 51-200 | Moscow, Russia | 51-200 | Exact match | 17 contacts → |
“UIS (Unique Intelligent Services) telecommunication company was founded in and became one of the most successful IP telephony providers on the Russian market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Globaltelelinksglobaltelelinks.netHQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 16 contacts → |
“Global Telelinks GmbH is a Swiss-based International long distance telecom company with presence in more than 25 countries including USA, Canada, UK, Australia, New Zealand…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bunnjibunnji.com.auHQ: Kew, AustraliaReported employees: 51-200 | Kew, Australia | 51-200 | Exact match | 15 contacts → |
“Whether you are running a small business or operating globally, Bunnji can help you with your business telecommunications and IT requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Cybtelcybtel.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“Stay Connected Wherever You Go!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tele Circuit Network Corporationtelecircuit.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 12 contacts → |
“Tele Circuit Network Corporation is a telecommunications company that takes great pride in its innovative long distance services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Dialoqdialoq.comHQ: Zug, SwitzerlandReported employees: 11-50 | Zug, Switzerland | 11-50 | Exact match | 11 contacts → |
“DIALOQ is a Mobile Virtual Network Operator registered in Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Icom Voice LTDicomvoice.comHQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 11 contacts → |
“ICOM VOICE is one of the most promising Telecommunication Service Providers based in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Telfoni, INCtelfoni.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Advance COM International Limited Adcomadvancetel.netHQ: Shatin, Hong KongReported employees: 11-50 | Shatin, Hong Kong | 11-50 | Exact match | 10 contacts → |
“Advanced Com International Limited (ADCOM) is a leading VoIP transit company founded in 2010 in Hong Kong.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Heer Groupheerteleservices.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 10 contacts → |
“Heer Teleservices Limited.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 299 company matches
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International calling service 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
295 records in the displayed employee bands.
4 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 299 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 calling service providers by location
1 lists · largest firstEvery International calling service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for international calling 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 international calling service providers did RevenueBase find worldwide?
The saved snapshot records 299 matching company records, 2,797 tracked contacts and 313 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
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Cite this list
RevenueBase Data Team. Top 25 international calling service providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/international-calling-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 international calling service providers worldwide
RevenueBase records 299 matching company records for international calling service providers worldwide, with 2,797 tracked contacts and 313 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 calling 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | Srvr, LLCsrvrco.com HQ: Troy, MI, United StatesReported employees: 201-500 | Troy, MI, United States | 201-500 | Exact match | 47 contacts → |
“SRVR - the leader in International Telecommunications – helps our customers connect with the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | tollfreeforwarding.comtollfreeforwarding.com HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 41 contacts → |
“TollFreeForwarding.com is the #1 provider of international virtual phone numbers & international call forwarding services in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Networkipnetworkip.net HQ: Longview, TX, United StatesReported employees: 51-200 | Longview, TX, United States | 51-200 | Exact match | 36 contacts → |
“NetworkIP provides international long distance services for wireless, wired and VoIP networks to mobile and cable operators, distributors and agents.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SK Telinksktelink.com HQ: Seoul, South KoreaReported employees: 51-200 | Seoul, South Korea | 51-200 | Exact match | 36 contacts → |
“Global Borderless Telco.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Apelbyapelby.com HQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 35 contacts → |
“We are global telecommunications provider of international voice, data, messaging and outsourcing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 42com Telecommunication Gmbh42com.com HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 33 contacts → |
“Established in 2002, 42com Telecommunication GmbH started by designing a white-label VoIP platform.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Shree Telecom LLCshreetelecomllc.com HQ: Sheridan, United StatesReported employees: 1-10 | Sheridan, United States | 1-10 | Exact match | 27 contacts → |
“Shree Telecom LLC is a USA Based VoIP company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Armatelarmatel.com HQ: Довер, United StatesReported employees: 11-50 | Довер, United States | 11-50 | Exact match | 25 contacts → |
“Armatel - is an international service provider founded by a team of professionals in the field of telecommunications with solid and extensive knowledge and experience, registered…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Localphone LTDlocalphone.com HQ: Sheffield, United KingdomReported employees: 11-50 | Sheffield, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Phone the world from 0.3p per minute!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 011global011global.com HQ: Margate, FL, United StatesReported employees: 11-50 | Margate, FL, United States | 11-50 | Exact match | 17 contacts → |
“Welcome to 011 Global: Connecting Communities, Bridging Distances Since 2007 At 011 Global, we have been dedicated to facilitating seamless connections for migrant communities…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | VIP Communicationsjoinvip.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 17 contacts → |
“Ashburn, VA based VIP Communications, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Telesense Global Carrier PTE LTDtelesenseglobal.com HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 17 contacts → |
“TELESENSE Global Carrier Pte Ltd (TELESENSE) – “Connecting Your Voice” Founded in 2017 and headquartered in Singapore, TELESENSE is a fast-growing international telecom company…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | UISuiscom.ru HQ: Moscow, RussiaReported employees: 51-200 | Moscow, Russia | 51-200 | Exact match | 17 contacts → |
“UIS (Unique Intelligent Services) telecommunication company was founded in and became one of the most successful IP telephony providers on the Russian market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Globaltelelinksglobaltelelinks.net HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 16 contacts → |
“Global Telelinks GmbH is a Swiss-based International long distance telecom company with presence in more than 25 countries including USA, Canada, UK, Australia, New Zealand…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bunnjibunnji.com.au HQ: Kew, AustraliaReported employees: 51-200 | Kew, Australia | 51-200 | Exact match | 15 contacts → |
“Whether you are running a small business or operating globally, Bunnji can help you with your business telecommunications and IT requirements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cybtelcybtel.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“Stay Connected Wherever You Go!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tele Circuit Network Corporationtelecircuit.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 12 contacts → |
“Tele Circuit Network Corporation is a telecommunications company that takes great pride in its innovative long distance services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Dialoqdialoq.com HQ: Zug, SwitzerlandReported employees: 11-50 | Zug, Switzerland | 11-50 | Exact match | 11 contacts → |
“DIALOQ is a Mobile Virtual Network Operator registered in Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Icom Voice LTDicomvoice.com HQ: Birmingham, United KingdomReported employees: 11-50 | Birmingham, United Kingdom | 11-50 | Exact match | 11 contacts → |
“ICOM VOICE is one of the most promising Telecommunication Service Providers based in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Telfoni, INCtelfoni.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Advance COM International Limited Adcomadvancetel.net HQ: Shatin, Hong KongReported employees: 11-50 | Shatin, Hong Kong | 11-50 | Exact match | 10 contacts → |
“Advanced Com International Limited (ADCOM) is a leading VoIP transit company founded in 2010 in Hong Kong.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Heer Groupheerteleservices.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 10 contacts → |
“Heer Teleservices Limited.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 299 company matches
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International calling service 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
295 records in the displayed employee bands.
4 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 299 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 calling service providers by location
1 lists · largest firstEvery International calling service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for international calling 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 international calling service providers did RevenueBase find worldwide?
The saved snapshot records 299 matching company records, 2,797 tracked contacts and 313 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
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Cite this list
RevenueBase Data Team. Top 25 international calling service providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/international-calling-service-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗