Top 100 Inbound Call Centers in the United States
The Best of October 2026Looking for a top inbound call center in the United States?
Inbound call centers can make all the difference to your business.
To assist you in your search for a partner, we’ve compiled this list of the top inbound call centers in United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United States Inbound Call Center Companies
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1$1,000+250 - 999 employeesSan Francisco, CAMartal Group is an answering service. They are located in Oakville, Canada; San Francisco, California and Uniondale, New York and have a midsize team that provides Call Center Services, Sales Outsourcing, and Email Marketing. The agency was launched in 2009.Read More
Clients
BoschIndustries
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2$1,000+250 - 999 employeesPortland, ORRead More
Prialto is a leading managed staffing and BPO company led by a Wharton MBA and former McKinsey & Co executive. Headquartered in Portland, Oregon, Prialto was launched in 2008 and serves top venture capital, financial services, biotech, insurance, and real estate firms. Prialto's services include managed staffing, seamless back-office function processing, and business automation.
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HeadlineIndustries
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3$5,000+1,000 - 9,999 employeesLexington, KYHelpware CX is a Customer Service Outsourcing company headquartered in Lexington, Kentucky; Kyiv, Ukraine; Taguig, Philippines and Guadalajara, Mexico. The large company was established in 2015. Their services include Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Data Annotation Services, and more.Read More
Clients
PureCars Microsoft Google HealthCompIndustries
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4$1,000+50 - 249 employeesBerkeley, CARead More
Wing Assistant, a back office outsourcing company, was established in 2018. Their midsize team is located in Berkeley, California. Their services include back office outsourcing, customer service outsourcing, sales outsourcing, call center services, and more.
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5Undisclosed250 - 999 employeesTampa, FLAnswerFirst, a telephone answering service, was founded in 1998. The company provides Call Center Services and Customer Service Outsourcing and has a midsize team.Read More
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6Undisclosed10 - 49 employeesKing of Prussia, PASpecialty Answering Service is a small call center. They specialize in Call Center Services and Customer Service Outsourcing and were founded in 1985. The company is in King of Prussia, Pennsylvania.Read More
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7$1,000+50 - 249 employeesDenver, CORead More
Belkins is a midsize Sales Outsourcing company launched in 2017. Their services include Sales Outsourcing, Email Marketing, CRM consulting and SI, and Call Center Services. The company is in Denver, Colorado; Kyiv, Ukraine; Cheyenne, Wyoming and Lombard, Illinois.
Clients
Nvidia General Electric Zendesk UC BerkeleyIndustries
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8$1,000+250 - 999 employeesAfton, WYWOW24-7 is a Customer Service Outsourcing company. They are headquartered in Afton, Wyoming and have a midsize team. Their services include Customer Service Outsourcing, Call Center Services, and IT staff augmentation.Read More
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The App SolutionsIndustries
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9$1,000+250 - 999 employeesDoylestown, PAHelpSquad, a Back Office Outsourcing company, is located in Doylestown, Pennsylvania. They offer Back Office Outsourcing, Call Center Services, and Customer Service Outsourcing and were founded in 2015.Read More
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Slinger BagIndustries
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10Undisclosed50 - 249 employeesJackson, MIAmbs Call Center, a phone answering service, is headquartered in Jackson, Michigan and Tampa, Florida. Launched in 1932, the midsize team provides Call Center Services.Read More
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Cadillac Michigan State University Caterpillar MacallisterIndustries
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11$1,000+250 - 999 employeesOrlando, FLXACT, an answering service company, was founded in 1996. Their midsize team is in Orlando, Florida and Unity, Maine. The agency specializes in Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing.Read More
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Culinary Institute of AmericaIndustries
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12$1,000+50 - 249 employeesChicago, ILHit Rate Solutions, a call center service, is based in Chicago, Illinois and Bacolod, Philippines. The midsize team offers Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing. The firm was founded in 2011.Read More
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CleanWel SolutionsIndustries
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13$5,000+250 - 999 employeesMiami Beach, FLUassist.ME is a Back Office Outsourcing company. The Miami Beach, Florida-based agency was founded in 2009. The midsize team specializes in Back Office Outsourcing, Customer Service Outsourcing, Call Center Services, and Sales Outsourcing.Read More
Clients
FacebookIndustries
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14$5,000+50 - 249 employeesLaguna Beach, CALevelUp Leads is a Sales Outsourcing company. They are headquartered in Laguna Beach, California and Laguna Beach, California and have a midsize team. Their services include Sales Outsourcing, Call Center Services, and Email Marketing.Read More
Industries
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15$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
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16$1,000+50 - 249 employeesScottsdale, AZRead More
Intelemark is an appointment setting and B2B lead generation company based in Scottsdale, Ariz. The company, founded in 1999, has more than 25 employees who provide voice and other marketing services to various companies.
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Dow JonesIndustries
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17$5,000+50 - 249 employeesAustin, TXRead More
Outsourcing firm ContactWorks is based in Austin, Texas. They were founded in 2004 and now employ a team of 20 that specializes in voice services for clients in the financial & business services and healthcare industries.
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FonalityIndustries
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18$1,000+50 - 249 employeesLas Vegas, NVLeadium is a Las Vegas, Nevada-based Sales Outsourcing company. The company offers Sales Outsourcing, Content Marketing, Call Center Services, and Email Marketing and is midsize.The company was founded in 2016.Read More
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DirecTVIndustries
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19Undisclosed1,000 - 9,999 employeesGarden City, NYRead More
Go Answer is a leading bilingual contact center, providing 24/7 voice, web-chat, email, and ticketing services for large and small businesses. They serve multiple industries such as home services, property management, e-commerce, healthcare, transportation, and fintech. Go Answer also has a bilingual dedicated legal division that strictly handles legal intake and retainer services for law firms across the United States. Go Answer was founded in 2012 and is based in New York, with additional state-of-the-art call centers in St. Lucia and Florida. Go Answer understands the importance of being a true extension of their clients brand. They provide friendly, professional and expert answering services, virtual reception services, and custom contact center solutions that reflect the values and reputation of your company
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Century21Industries
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20$1,000+10 - 49 employeesNorristown, PAAnswering service and Sales Outsourcing company Superhuman Prospecting is based in Norristown, Pennsylvania. The small team specializes in Call Center Services and Sales Outsourcing. The firm was founded in 2017.Read More
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21$10,000+250 - 999 employeesOverland Park, KSEstablished in 2014, 1840 & Company is a Staffing company. They are in Overland Park, Kansas and have a midsize team. Their services include Staffing, Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and more.Read More
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GrouponIndustries
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22$5,000+250 - 999 employeesHome, KSRead More
Blue Valley Marketing, a Customer Service Outsourcing company, is in Home, Kansas. The agency provides Customer Service Outsourcing, Call Center Services, and Sales Outsourcing and has a midsize team.The agency was established in 1991.
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23$1,000+1,000 - 9,999 employeesWilmington, DESupportYourApp is a call center service established in 2010. Their large team is headquartered in Wilmington, Delaware; Beograd, Serbia and DSR, Argentina. The company focuses on Call Center Services, Customer Service Outsourcing, AI Agents, Back Office Outsourcing, and more.Read More
Clients
Mastercard Calm Kofax MacPawIndustries
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24$1,000+50 - 249 employeesOakland, CARead More
Located in Oakland, California, Telecom, Inc. Is an answering service. The midsize agency was established in 1993. Their services include voice services and non-voice bpo/back office services.
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25Undisclosed250 - 999 employeesWest Hollywood, CAVirtual Coworker is a Back Office Outsourcing company launched in 2011. Their midsize team is headquartered in West Hollywood, California and Sydney, Australia and specializes in Back Office Outsourcing, Sales Outsourcing, Customer Service Outsourcing, and Finance & Accounting Outsourcing (FAO).Read More
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26$25,000+10 - 49 employeesGulf Breeze, FLRead More
MoreMeetings.com is a B2B sales appointment company headquartered in Rockland, Mass. Founded in 2001, they have a team of 15 employees. Their main focus lines are voice services and corporate training, primarily for the IT industry.
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FujitsuIndustries
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27$50,000+1,000 - 9,999 employeesMargate, FLBased in Margate, Florida; Gwinn, Michigan; Iron River, Michigan and La Crosse, Wisconsin, Global Response is a Customer Service Outsourcing company. The large team focuses on Customer Service Outsourcing, Call Center Services, IT managed services, and Back Office Outsourcing and was established in 1974.Read More
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Crate&BarrelIndustries
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28$50,000+1,000 - 9,999 employeesDuluth, GASolvo Global is a Back Office Outsourcing company. Founded in 2018, the large firm is headquartered in Chandler, Arizona; Medellín, Colombia and Duluth, Georgia. Their services include Back Office Outsourcing, Call Center Services, Finance & Accounting Outsourcing (FAO), Staffing, and more.Read More
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CenCal Insurance ServicesIndustries
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29$25,000+250 - 999 employeesOrem, UTRead More
Squeeze Media is a voice services provider based in Orem, Utah. Their team of over 50 supports businesses of all sizes across a range of industries, such as financial services, health care, and consumer products. Founded in 2009, they also provide non-voice BPO services.
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American StandardIndustries
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30$1,000+10 - 49 employeesLos Angeles, CARead More
Founded in 2016, Cleverly is a marketing agency that offers lead generation and LinkedIn Ads to their clients. Their 50 employees are based out of Los Angeles.
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LeaseLockIndustries
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