Top 100 Inbound Call Centers in California
The Best of December 2025Looking for a top inbound call center in California?
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 California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Inbound Call Center Companies
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181$50,000+1,000 - 9,999 employeesSan Diego, CARedial BPO Call Center is an answering service established in 2017. The agency offers Call Center Services and Customer Service Outsourcing.Read More
Clients
Soaren Management Home RunIndustries
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182$1,000+1,000 - 9,999 employeesSan Mateo, CAMotif is a large answering service company headquartered in San Mateo, California and Ahmedabad, India. The team specializes in Call Center Services.Read More
Industries
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183$1,000+1,000 - 9,999 employeesSan Francisco, CAAthenaHealth is a Back Office Outsourcing company established in 1997. Their team focuses on Back Office Outsourcing and Customer Service Outsourcing.Read More
Industries
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184Undisclosed250 - 999 employeesIrvine, CATech-Synergy is a Business Consulting company. The team offers Business Consulting and Call Center Services and is in Irvine, California and Dumaguete, Philippines.Read More
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185$1,000+50 - 249 employeesFremont, CAH-Line Soft is a midsize Back Office Outsourcing company based in Secunderabad, India and Fremont, California. The team provides Back Office Outsourcing and HR Consulting.Read More
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186$1,000+1,000 - 9,999 employeesLos Angeles, CACollective Solution is a large answering service company founded in 2002. Their team provides Call Center Services and Customer Service Outsourcing.Read More
Industries
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187$250,000+1,000 - 9,999 employeesSouth San Francisco, CAIntelassist is a Quezon City, Philippines-based telephone answering service. Founded in 2007, the team provides Call Center Services and Back Office Outsourcing.Read More
Industries
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188Undisclosed1,000 - 9,999 employeesHuntington Beach, CAKaizen BPO LLC is a Customer Service Outsourcing company founded in 2018. The large team specializes in Customer Service Outsourcing and Call Center Services.Read More
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189Undisclosed250 - 999 employeesJurupa Valley, CATelephone answering service One World Direct was founded in 1994. The team specializes in Call Center Services and Back Office Outsourcing.Read More
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190$100,000+1,000 - 9,999 employeesSan Diego, CACall Center Services International, a telephone answering service, is based in San Diego, California and Tijuana, Mexico. They focus on Call Center Services and Customer Service Outsourcing.Read More
Industries
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