Company lists · Data refreshed September 2026

Top 25 Live call answering services companies based in the United States

Name: Live call answering services companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 715 companies tracked

RevenueBase identified 715 live call answering services companies headquartered in the United States as of September 2026 and tracks 17,483 professional contacts across them, including 2,187 with verified work emails. New York is the largest hub.

This list covers live call answering services companies headquartered in the United States, 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.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

715Companies

17,483Contacts tracked

2,187Verified emails

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The 25 largest live call answering services companies based in the United States

Ranked by team size

Top 25 of 715 live call answering services companies based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to live call answering services companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Advanced Call Center Technologies, LLC	Partial evidence	Berwyn, PA, United StatesHQ checked Sep 20, 2026	5,001-10,000	2,774 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
2	Answernet	Indirect evidence	Horsham, PA, United StatesHQ checked Sep 20, 2026	501-1,000	883 contacts →
	Indirect evidence “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!” Source: RevenueBase Database · checked Sep 20, 2026
3	Global Contact Services GCS	Indirect evidence	Salisbury, NC, United StatesHQ checked Sep 20, 2026	501-1,000	542 contacts →
	Indirect evidence “We are customer service experts.” Source: RevenueBase Database · checked Sep 20, 2026
4	MAP Communications	Strong evidence	Chesapeake, VA, United StatesHQ checked Sep 20, 2026	501-1,000	478 contacts →
	Strong evidence “Since 1991 MAP Communications has been providing professional live telephone answering services 24/7/365.” Source: RevenueBase Database · checked Sep 20, 2026
5	Supportzebra	Indirect evidence	Houston, TX, United StatesHQ checked Sep 20, 2026	1,001-5,000	454 contacts →
	Indirect evidence “SupportZebra is a business process outsourcing company based in the Philippines, with headquarters in the Houston,TX region, that specializes in: Sales & Marketing Retention \|…” Source: RevenueBase Database · checked Sep 20, 2026
6	RUBY	Partial evidence	Portland, OR, United StatesHQ checked Sep 20, 2026	501-1,000	453 contacts →
	Partial evidence “Ruby supports more than businesses with live virtual receptionists and 24/7 chat services.” Source: RevenueBase Database · checked Sep 20, 2026
7	Ansafone Contact Centers	Indirect evidence	Santa Ana, CA, United StatesHQ checked Sep 20, 2026	501-1,000	431 contacts →
	Indirect evidence “About : Ansafone is the leading outsourced contact center solution provider for companies in the US and Canada and maintains international alliances for global reach.” Source: RevenueBase Database · checked Sep 20, 2026
8	The Connection Contact Center	Indirect evidence	Bloomington, MN, United StatesHQ checked Sep 20, 2026	1,001-5,000	354 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
9	Teledirect Call Centers	Strong evidence	Sacramento, CA, United StatesHQ checked Sep 20, 2026	201-500	307 contacts →
	Strong evidence “TeleDirect provides 24/7 U.S-based call center and answering services for organizations that cannot afford to miss important calls.” Source: RevenueBase Database · checked Sep 20, 2026
10	smith.ai	Strong evidence	Los Altos, CA, United StatesHQ checked Sep 20, 2026	51-200	293 contacts →
	Strong evidence “Founded by a team from Google, Apple, and Intuit, Smith.ai is known for superior call answering services.” Source: RevenueBase Database · checked Sep 20, 2026
11	Calltend INC	Indirect evidence	Los Angeles, TX, United StatesHQ checked Sep 20, 2026	51-200	289 contacts →
	Indirect evidence “Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Source: RevenueBase Database · checked Sep 20, 2026
12	PAC BIZ Outsourcing	Indirect evidence	Phoenix, AZ, United StatesHQ checked Sep 20, 2026	51-200	182 contacts →
	Indirect evidence “We help companies deliver exceptional customer experiences.” Source: RevenueBase Database · checked Sep 20, 2026
13	Signia	Indirect evidence	Westminster, CO, United StatesHQ checked Sep 20, 2026	201-500	181 contacts →
	Indirect evidence “Signia aims to provide marketing services to targeted business environments in the US.” Source: RevenueBase Database · checked Sep 20, 2026
14	Gold Mountain Communications	Strong evidence	Springfield, MO, United StatesHQ checked Sep 20, 2026	201-500	180 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
15	Serverplus	Indirect evidence	Orem, UT, United StatesHQ checked Sep 20, 2026	51-200	161 contacts →
	Indirect evidence “Whether you need outsourced support for your ISP or for your business, after hours support, BPO services or just a virtual assistant to help you answer phones and get through the…” Source: RevenueBase Database · checked Sep 20, 2026
16	Call Experts	Partial evidence	Charleston, SC, United StatesHQ checked Sep 20, 2026	51-200	154 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
17	Customer Elation	Strong evidence	Minneapolis, MN, United StatesHQ checked Sep 20, 2026	501-1,000	143 contacts →
	Strong evidence “Customer Elation provides call center services and telephone answering services.” Source: RevenueBase Database · checked Sep 20, 2026
18	Alert Communications	Indirect evidence	Camarillo, CA, United StatesHQ checked Sep 20, 2026	201-500	134 contacts →
	Indirect evidence “Alert Communications is your legal intake and retainer expert-helping law firms maximize ROI by converting more leads into signed clients.” Source: RevenueBase Database · checked Sep 20, 2026
19	Patlive	Indirect evidence	#weworkremote, United StatesHQ checked Sep 20, 2026	201-500	127 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
20	Answerfirst Communications, INC	Strong evidence	Tampa, FL, United StatesHQ checked Sep 20, 2026	51-200	125 contacts →
	Strong evidence “AnswerFirst provides 24/7 live answering and contact center solutions for businesses of all sizes and industries.” Source: RevenueBase Database · checked Sep 20, 2026
21	NEXA	Strong evidence	Phoenix, AZ, United StatesHQ checked Sep 20, 2026	51-200	121 contacts →
	Strong evidence “Nexa Receptionists helps businesses convert and qualify more leads through 24/7/365 call answering, inbound and outbound sales, lead qualification, intake, live chat, and text…” Source: RevenueBase Database · checked Sep 20, 2026
22	Lead TAG	Partial evidence	Dallas, TX, United StatesHQ checked Sep 20, 2026	51-200	93 contacts →
	Partial evidence “Mission: Become a world-class call center by focusing on professional communication, teamwork, and personal development.” Source: RevenueBase Database · checked Sep 20, 2026
23	Abby Connect	Indirect evidence	Las Vegas, NV, United StatesHQ checked Sep 20, 2026	51-200	90 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
24	Telemed	Partial evidence	Atlanta, United StatesHQ checked Sep 20, 2026	201-500	76 contacts →
	Partial evidence “TeleMed's medical answering service provides 24/7 coverage to over healthcare providers nationwide.” Source: RevenueBase Database · checked Sep 20, 2026
25	Archers Contact Solutions	Indirect evidence	Madison, NJ, United StatesHQ checked Sep 20, 2026	51-200	71 contacts →
	Indirect evidence “Archers Contact Solutions offers world class outsourced services based in the Philippines.” Source: RevenueBase Database · checked Sep 20, 2026

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: live call answering services companies. 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 live call answering services companies.
Partial evidence: Its own public description names part of live call answering services companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name live call answering services companies. 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 715 live call answering services companies based in the United States

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Live call answering services companies based in the United States at a glance

As of Sep 20, 2026

12.5%Verified-email coverage

24.5Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

218

11-50

270

51-200

159

201-500

501-1,000

1,001-5,000

5,001-10,000

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 715 companies.

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 live call answering services companies, 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.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “live call answering services companies”. 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 live call answering services companies), 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 live call answering services companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 2,187 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.

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 live call answering services companies, 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 live call answering services companies are there based in the United States?

RevenueBase identified 715 live call answering services companies headquartered in the United States 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?

Advanced Call Center Technologies, LLC, headquartered in Berwyn, tops this list with the largest team on record.

Which city has the most live call answering services companies?

New York leads with 19 headquartered companies, followed by Los Angeles (15) and Miami (15).

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 2,187 verified decision-maker contacts tracked across these 715 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.