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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91Undisclosed2 - 9 employeesRedding, CABased in Redding, California, Redding Answering Service is a small call center. Their services include Call Center Services.Read More
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92Undisclosed10 - 49 employeesOrange, CALaunched in 2016, Subtle Insight Solutions is a call center service. The company offers Call Center Services and Corporate Training & Coaching, and is small.Read More
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93Undisclosed2 - 9 employeesAntioch, CAAll Bay Answering Service is an answering service. Their small team is in Antioch, California. Their services include Call Center Services.Read More
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94Undisclosed10 - 49 employeesLivermore, CACustom Communications, an answering service company, is located in Livermore, California. Established in 1980, the team offers Call Center Services.Read More
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95Undisclosed50 - 249 employeesCorona, CACall center Outpatient Call Solutions was established in 2013. The company provides Call Center Services, and is midsize.Read More
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96Undisclosed2 - 9 employeesSan Diego, CABack Office Outsourcing company Summit Horizon Solutions is located in San Diego, California. Launched in 2014, the team offers Back Office Outsourcing and Call Center Services.Read More
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97Undisclosed50 - 249 employeesSan Ramon, CAEzyteams is a Back Office Outsourcing company. They are headquartered in San Ramon, California and have midsize team. They focus on Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).Read More
Industries
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98Undisclosed2 - 9 employeesGlendale, CACall center Universal Contact Centers is headquartered in Tijuana, Mexico and Glendale, California. They focus on Call Center Services and Finance & Accounting Outsourcing (FAO).Read More
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99$1,000+10 - 49 employeesSan Diego, CABusiness to Business Markting is a phone answering service. The firm is located in San Diego, California. Their services include Call Center Services and Market Research.Read More
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100$1,000+250 - 999 employeesLos Angeles, CAAllzone Management Solutions is a Back Office Outsourcing company. Headquartered in Los Angeles, California, their team offers Back Office Outsourcing and Call Center Services.Read More
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101$1,000+250 - 999 employeesLos Angeles, CABack Office Outsourcing company Rust Omni was launched in 1970. Located in Los Angeles, California, the team focuses on Back Office Outsourcing and Web Design.Read More
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102Undisclosed2 - 9 employeesLos Angeles, CABusiness Consulting company Sinousia | Catrice Antonette Monson was launched in 2020. The team offers Business Consulting and Customer Service Outsourcing and is based in Los Angeles, California.Read More
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103Undisclosed250 - 999 employeesSan Diego, CAXB Fulfillment is a phone answering service. Established in 2014, the company is located in San Diego, California. Their team specializes in Call Center Services and Back Office Outsourcing.Read More
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104$1,000+50 - 249 employeesLos Angeles, CANowcom is a Back Office Outsourcing company. Founded in 1996, their team provides Back Office Outsourcing and Custom Software Development.Read More
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105Undisclosed10 - 49 employeesRiverside, CARead More
PCN - Professional Communications Network is an answering service company from Riverside, Calif. It was founded in 1989 and now has a team of 12 that provides voice services to its clients.
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106Undisclosed10 - 49 employeesSan Francisco, CAEstablished in 2017, Observe.AI is a small artificial intelligence development company. Their team provides Artificial Intelligence and BI & big data consulting & SI.Read More
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107Undisclosed50 - 249 employeesSanta Barbara, CAInvoca, an Advertising company, is headquartered in Santa Barbara, California. The team offers Advertising and Call Center Services.Read More
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108Undisclosed50 - 249 employeesRedwood City, CACyara is an user experience agency. The Redwood City, California-based firm was launched in 2006. Their services include UX/UI Design and Artificial Intelligence.Read More
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109Undisclosed10 - 49 employeesLos Angeles, CAWeb Leads Inc is a small Advertising company. They specialize in Advertising and Mobile App Development and were established in 2010.Read More
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110Undisclosed2 - 9 employeesSan Francisco, CAResource Fast is a Back Office Outsourcing company located in San Francisco, California. Founded in 2018, the team focuses on Back Office Outsourcing and Call Center Services.Read More
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111Undisclosed10 - 49 employeesFresno, CALaunched in 2015, Xobee Networks is a small call center in Fresno, California. Their team specializes in Call Center Services and cloud consulting & SI.Read More
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112Undisclosed10 - 49 employeesLos Angeles, CABased in Los Angeles, California, Upcision is a small Marketing Strategy company. Their services include Marketing Strategy and Call Center Services.Read More
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113Undisclosed2 - 9 employeesBrisbane, CAMagellan USA is a small Brisbane, California-based IT managed services company. Their services include IT managed services and HR Consulting.Read More
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114Undisclosed50 - 249 employeesSan Jose, CARed Oak Technologies is a Business Consulting company. Their midsize team is in San Jose, California and focuses on Business Consulting and HR Outsourcing. The company was founded in 1995.Read More
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115Undisclosed50 - 249 employeesSan Francisco, CAChef Robotics is an artificial intelligence development company. The firm is in San Francisco, California. Their team specializes in Artificial Intelligence and Application Testing.Read More
Industries
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116Undisclosed2 - 9 employeesRedondo Beach, CABack Office Outsourcing company Calibrated Solutions, LLC. Is in Redondo Beach, California. Launched in 2007, the team provides Back Office Outsourcing and Call Center Services.Read More
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117Undisclosed10 - 49 employeesLos Angeles, CACybersecurity company Mannassi IT Solutions was launched in 1996. The firm provides Cybersecurity and IT managed services, and is small.Read More
Industries
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118Undisclosed50 - 249 employeesBurlingame, CAEFlexervices, Inc., a call center company, was launched in 2001. The firm specializes in Call Center Services and Customer Service Outsourcing.Read More
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119$1,000+2 - 9 employeesLos Angeles, CAMedPOINT Management is a Back Office Outsourcing company located in Los Angeles, California. Founded in 1987, the team focuses on Back Office Outsourcing and Call Center Services.Read More
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120Undisclosed2 - 9 employeesFresno, CABiz Fuzion is a Business Consulting company. Based in Fresno, California, the team focuses on Business Consulting and Call Center Services.Read More
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