Top 100 Call Center Services in California
The Best of December 2025Looking for a top voice service and call center company in California?
Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.
To assist you in your search for a partner, we’ve compiled this list of the top voice and call center services in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best California Voice Services Providers
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$5,000+50 - 249 employeesBoca Raton, FLRead More
SalesRoads is a Sales Outsourcing company. Their midsize team is based in Boca Raton, Florida; Haddonfield, New Jersey and Philadelphia, Pennsylvania. The agency focuses on Sales Outsourcing, Email Marketing, and Call Center Services. The agency was founded in 2007.
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$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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$1,000+250 - 999 employeesOrlando, FLRead More
Answering service company XACT was founded in 1998. Their midsize team is in Orlando, Florida and Unity, Maine. XACT focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Back Office Outsourcing, and more.
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121$1,000+50 - 249 employeesSan Diego, CACall center company California Marketing Group is in San Diego, California. Founded in 1985, the team focuses on Call Center Services.Read More
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122$25,000+50 - 249 employeesSan Diego, CAPhone Ware is a telephone answering service based in San Diego, California. Launched in 1977, the team provides Call Center Services and Customer Service Outsourcing.Read More
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123$1,000+2 - 9 employeesTorrance, CAGordon & Schwenkmeyer, Inc. (GSI) is a Torrance, California-based phone answering service. Their services include Call Center Services.Read More
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124Undisclosed250 - 999 employeesMarina del Rey, CAEstablished in 2013, CallCreatorPlus, a midsize telephone answering service, is based in Marina del Rey, California. Their services include Call Center Services.Read More
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125Undisclosed1,000 - 9,999 employeesSan Mateo, CAMarketo, an Adobe Company is a San Mateo, California-based answering service company. They provide Call Center Services and Marketing Strategy.Read More
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126Undisclosed250 - 999 employeesLos Angeles, CABased in Los Angeles, California, Health Leads Plus is a Sales Outsourcing company. Launched in 2004, the team offers Sales Outsourcing and Marketing Strategy.Read More
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127Undisclosed250 - 999 employeesLos Angeles, CAKoalifiedLeads is an answering service. The team offers Call Center Services and Social Media Marketing, and the agency is headquartered in Los Angeles, California.Read More
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128Undisclosed10 - 49 employeesLos Angeles, CABased in Los Angeles, California, Call Centerl Lead is a small call center company. Their services include Call Center Services and Sales Outsourcing.Read More
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129Undisclosed2 - 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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130Undisclosed2 - 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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131Undisclosed10 - 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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132Undisclosed50 - 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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133Undisclosed250 - 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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134Undisclosed10 - 49 employeesSan Francisco, CARainmakers , a Sales Outsourcing company, was established in 2017. They offers Sales Outsourcing.Read More
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135Undisclosed10 - 49 employeesNewport Beach, CAInsellerate is a Sales Outsourcing company. The agency is headquartered in Newport Beach, California. Their services include Sales Outsourcing and Pay Per Click.Read More
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136Undisclosed2 - 9 employeesFullerton, CAFratzke Media is a small Fullerton, California-based call center. Their services include Call Center Services and Content Marketing.Read More
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137Undisclosed2 - 9 employeesConcord, CAALFATEK is a Concord, California-based branding agency. They offer Branding and Social Media Marketing.Read More
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138$1,000+50 - 249 employeesPalm Desert, CAHands Working Virtually BPO is a Customer Service Outsourcing company. Their midsize team is in Palm Desert, California. Their services include Customer Service Outsourcing and Call Center Services.Read More
Industries
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139Undisclosed2 - 9 employeesLos Angeles, CALead Discovery is a social media marketing agency. In Los Angeles, California, the agency was launched in 2020. Their services include Social Media Marketing and Back Office Outsourcing.Read More
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140Undisclosed10 - 49 employeesMountain View, CASonify is a small IT managed services company headquartered in Mountain View, California. The team specializes in IT managed services and Call Center Services.Read More
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141$1,000+10 - 49 employeesLos Angeles, CABased in Los Angeles, California, GrowthBridge Consulting is a social media marketing agency. Their services include Social Media Marketing and Search Engine Optimization.Read More
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142$1,000+10 - 49 employeesUnion City, CASocial media marketing company AI Source Hub was launched in 2022. The small team focuses on Social Media Marketing and Content Marketing.Read More
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143Undisclosed10 - 49 employeesSan Luis Obispo, CAAdvantage Answering Plus is an answering service in San Luis Obispo, California. They focus on Call Center Services and Customer Service Outsourcing and were established in 1992.Read More
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144Undisclosed250 - 999 employeesLos Angeles, CADMA Central is a Marketing Strategy company. The team offers Marketing Strategy and Market Research and is located in Los Angeles, California.Read More
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145Undisclosed10 - 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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146Undisclosed10 - 49 employeesSacramento, CAIT managed services company TLC Tech, Inc. Was launched in 2004. The agency provides IT managed services and IT strategy consulting, and is small.Read More
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147$5,000+2 - 9 employeesLos Angeles, CACollective Citizen is a Back Office Outsourcing company. The Los Angeles, California-based company offers Back Office Outsourcing and Business Consulting.Read More
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148$1,000+2 - 9 employeesSan Francisco, CASales Outsourcing company Lavendo was founded in 2021. The team specializes in Sales Outsourcing and Staffing and is based in San Francisco, California.Read More
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149$1,000+2 - 9 employeesLos Angeles, CAStoryCurrent Marketing Agency is a social media marketing company. Launched in 2024, the firm provides Social Media Marketing and Content Marketing.Read More
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150Undisclosed10 - 49 employeesOakland, CALaunched in 2009, WHM Creative is a small Advertising company based in Oakland, California. Their team offers Advertising and Branding.Read More
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Check out a Call Centers in California with the most new reviews in the past 12 months.
Most Reviewed
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