Company lists · Data refreshed September 2026

Top 25 24/7 call center operators based in the United States

RevenueBase identified 318 company matches for 24/7 call center operators associated with the United States as of September 2026 and tracks 29,097 professional contacts across them, including 2,154 with verified work emails. New York is the largest hub.

This list covers company matches for 24/7 call center operators associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.

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 Sep 27, 2026 How this list was built
318Companies
29,097Contacts tracked
2,154Verified emails
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The 25 largest 24/7 call center operators based in the United States

Ranked by team size
Top 25 of 318 company matches for 24/7 call center operators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchBloomington, IL, United StatesHQ recorded Sep 27, 202610001+5,553 contacts →

Exact match

“When people reach for their phones, use laptops, or grab their tablets, Afni's contact center teams are there to provide prompt and friendly help.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchDallas, TX, United StatesHQ recorded Sep 27, 20261,001-5,0003,122 contacts →

Exact match

“Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchBerwyn, PA, United StatesHQ recorded Sep 27, 20265,001-10,0002,774 contacts →

Exact match

“Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchAkron, OH, United StatesHQ recorded Sep 27, 20261,001-5,0001,764 contacts →

Exact match

“InfoCision is an award-winning contact center partner trusted by leading brands for over 40 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchBoca Raton, FL, United StatesHQ recorded Sep 27, 20265,001-10,0001,741 contacts →

Exact match

“Award-winning outsourcing partner with two decades of experience operating an exclusively nearshore strategy that delivers better performance, close to home, and at a lower cost.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchHorsham, PA, United StatesHQ recorded Sep 27, 2026501-1,000883 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchSalisbury, NC, United StatesHQ recorded Sep 27, 2026501-1,000542 contacts →

Exact match

“We are customer service experts.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchColumbus, OH, United StatesHQ recorded Sep 27, 20261,001-5,000515 contacts →

Exact match

“ContactUs Communications is a U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261,001-5,000454 contacts →

Exact match

“SupportZebra is a business process outsourcing company based in the Philippines, with headquarters in the Houston,TX region, that specializes in: Sales & Marketing Retention |…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchFort Worth, TX, United StatesHQ recorded Sep 27, 2026501-1,000393 contacts →

Exact match

“Touchstone Communications was built in 2002 on the philosophy of hiring educated, motivated talent and then providing them with the best training and management to achieve our…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchBloomington, MN, United StatesHQ recorded Sep 27, 20261,001-5,000354 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 · Sep 27, 2026 · View company records in RevenueBase
12Exact matchSacramento, CA, United StatesHQ recorded Sep 27, 2026201-500307 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 · Sep 27, 2026 · View company records in RevenueBase
13Exact matchJacksonville, FL, United StatesHQ recorded Sep 27, 2026501-1,000192 contacts →

Exact match

“With nine call centers located in America, El Salvador, Nicaragua, the Dominican Republic and the Philippines, Bernard works with some of America's largest companies to provide…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchPhoenix, AZ, United StatesHQ recorded Sep 27, 202651-200182 contacts →

Exact match

“We help companies deliver exceptional customer experiences.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchSpringfield, MO, United StatesHQ recorded Sep 27, 2026201-500180 contacts →

Exact match

“Gold Mountain Communications is a US-based live operator inbound/outbound call center and service agency helping leading national corporations outsource their customer service and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchNew York, United StatesHQ recorded Sep 27, 2026501-1,000173 contacts →

Exact match

“Calls Experts is a global contact center solution provider.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchPort St Lucie, FL, United StatesHQ recorded Sep 27, 2026201-500158 contacts →

Exact match

“iVox Solutions is a leader in the contact center industry.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchCharleston, SC, United StatesHQ recorded Sep 27, 202651-200154 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 · Sep 27, 2026 · View company records in RevenueBase
19Exact matchMinneapolis, MN, United StatesHQ recorded Sep 27, 2026501-1,000143 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchAustin, MN, United StatesHQ recorded Sep 27, 2026201-500138 contacts →

Exact match

“With our 24/7/365 contact center and alarm monitoring central station, CRC has merged the benefits of personalized service with the efficiencies provided by technologically…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchClaremont, CA, United StatesHQ recorded Sep 27, 2026201-500137 contacts →

Exact match

“Balboa Digital Provides Trusted, Compliant, Effective Call Center Services Get to know Balboa Digital - Our experience, expertise, and innovative call technology, set us apart.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchTampa, FL, United StatesHQ recorded Sep 27, 202651-200125 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 · Sep 27, 2026 · View company records in RevenueBase
23Exact matchMontgomery, AL, United StatesHQ recorded Sep 27, 2026201-500107 contacts →

Exact match

“ASK is an inbound customer care center located in Montgomery, AL.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchMinnetonka, MN, United StatesHQ recorded Sep 27, 2026201-50097 contacts →

Exact match

“CCS provides around-the-clock contact center services for businesses of every size in all industries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 2026201-50095 contacts →

Exact match

“Donnelly Communications, Inc, a leading provider of 24/7/365 contact center solutions, focuses on increasing revenue for clients by exceeding customer expectations and driving…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 318 24/7 call center operators based in the United States

See the full list, filter by size, metro and specialty, and access 2,154 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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24/7 call center operators based in the United States at a glance

As of Sep 27, 2026
7.4%Verified-email coverage
91.5Average contacts per company
51-200Median size (employees)
3.5%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
100
51-200
97
201-500
35
501-1,000
20
1,001-5,000
10
5,001-10,000
4
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 318 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “24/7 call center 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,154 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 27, 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.

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 “24/7 call center operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many 24/7 call center operators are there based in the United States?

RevenueBase identified 318 company matches for 24/7 call center operators associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most 24/7 call center operators?

New York leads with 11 company records, followed by Los Angeles (7) and Miami (7).

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 2,154 professional contacts with verified work emails tracked across these 318 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 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.