Company lists · Data refreshed November 2026

Top 25 Phone room operators worldwide

RevenueBase identified 1,226 company matches for phone room operators worldwide as of November 2026 and tracks 17,655 professional contacts across them, including 2,014 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for phone room operators 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 phone room operators 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,226Companies
17,655Contacts tracked
2,014Verified emails
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The 25 largest phone room operators worldwide

Ranked by team size
Top 25 of 1,226 company matches for phone room operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHorsham, PA, United StatesHQ recorded Nov 6, 2026501-1,000946 contacts →

Exact match

“If you are interested in growing your business or increasing efficiency, AnswerNet has the expertise, technology, and people to help you take your company to new heights!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchChesapeake, VA, United StatesHQ recorded Nov 6, 2026501-1,000509 contacts →

Exact match

“Since 1991 MAP Communications has been providing professional live telephone answering services 24/7/365.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026501-1,000501 contacts →

Exact match

“Ruby supports more than businesses with live virtual receptionists and 24/7 chat services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCairo, EgyptHQ recorded Nov 6, 20261,001-5,000443 contacts →

Exact match

“Proper Business solutions is offering a comprehensive suite of customer care call center services, outbound and lead generation, back-office and data processing solutions to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBloomington, MN, United StatesHQ recorded Nov 6, 20261,001-5,000398 contacts →

Exact match

“For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTunis, TunisiaHQ recorded Nov 6, 2026501-1,000364 contacts →

Exact match

“With more than 900 employees, PhoneAct is an ISO 9001/2008 certified offshore call center service provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSacramento, CA, United StatesHQ recorded Nov 6, 2026201-500337 contacts →

Exact match

“TeleDirect provides 24/7 U.S-based call center and answering services for organizations that cannot afford to miss important calls.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLos Altos, CA, United StatesHQ recorded Nov 6, 202651-200319 contacts →

Exact match

“Founded by a team from Google, Apple, and Intuit, Smith.ai is known for superior call answering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCharleston, NC, United StatesHQ recorded Nov 6, 202651-200177 contacts →

Exact match

“Founded in 1982, Call Experts is a family owned and operated call center focused on providing extensive telecommunications and office-based services to professionals in numerous…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 2026501-1,000163 contacts →

Exact match

“Customer Elation provides call center services and telephone answering services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact match#weworkremote, United StatesHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“At PATLive, we combine exceptional people, proven process, and leading-edge technology to deliver a seamless caller experience that reflects the best of your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIsraelHQ recorded Nov 6, 20261,001-5,000139 contacts →

Exact match

“בזק און ליין היא חברה בבעלות מלאה של בזק והיא מתמחה, מאז הווסדה בשנת 2001, בהקמה, ניהול ותפעול של מוקדים טלפוניים במגוון תחומים ועולמות תוכן:* מוקדי שירות ומידע * מוקדי מכירות…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202651-200131 contacts →

Exact match

“AnswerFirst provides 24/7 live answering and contact center solutions for businesses of all sizes and industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHamilton, ON, CanadaHQ recorded Nov 6, 2026201-500116 contacts →

Exact match

“AnswerPlus is a leading 24/7 telephone answering service trusted by 2,500+ amazing clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“Mission: Become a world-class call center by focusing on professional communication, teamwork, and personal development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Abby Connect is your cutting-edge virtual receptionist service-bringing top-notch customer service experts and technology together to turn your phone into a customer-delighting…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBuderim, AustraliaHQ recorded Nov 6, 2026201-50079 contacts →

Exact match

“Blazing the trail in outsourced virtual reception and phone answering solutions since 2003.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchFerndown, United KingdomHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Message Direct has been one of the UK’s leading 24/7 telephone answering and virtual receptionist services, trusted by thousands of businesses to make sure every call and every…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDartmouth, NS, CanadaHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Connect with Confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNottingham, United KingdomHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“Founded in 2004 by the ICS Group Ltd, Answer4u is one of the UK’s fastest-growing 24/7 telephone answering services, trusted by more than businesses nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCarencro, LA, United StatesHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“Dexcomm began in 1954 helping businesses and medical offices provide 24/7 access to customers and patients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchColumbus, NV, United StatesHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Continental Message Solution (CMS) is an award-winning call center outsourcing company based in Columbus, Ohio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDuncanville, NV, United StatesHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Always Answer has been providing answering and call center services since 1975.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPark Ridge, IL, United StatesHQ recorded Nov 6, 2026201-50066 contacts →

Exact match

“Signius Communications is a 100% US-based answering services and call center services company with 12 locations across the US.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-50063 contacts →

Exact match

“Line One.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,226 phone room operators worldwide

See the full list, filter by size, metro and specialty, and access 2,014 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Phone room operators worldwide at a glance

As of Nov 6, 2026
11.4%Verified-email coverage
14.4Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
432
11-50
475
51-200
226
201-500
53
501-1,000
12
1,001-5,000
12

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 phone room operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “phone room operators” 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 2,014 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.

Phone room operators by location

6 lists · largest first

Every Phone room operators 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 “phone room operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many phone room operators are there worldwide?

RevenueBase identified 1,226 company matches for phone room operators 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?

Answernet tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most phone room operators?

The United States leads with 436 companies, followed by the United Kingdom (112) and France (90). Every phone room operators list by country and city is linked on this page.

Which city has the most phone room operators?

London leads with 19 company records, followed by Paris (8) and Portland (8).

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 2,014 professional contacts with verified work emails tracked across these 1,226 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.

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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.