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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31$1,000+50 - 249 employeesSan Diego, CAVirtual Latinos is a Customer Service Outsourcing company. Based in San Diego, California, the agency was founded in 2018. Their services include Customer Service Outsourcing and Sales Outsourcing.Read More
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32Undisclosed10 - 49 employeesLos Angeles, CABased in Los Angeles, California, Tel-Us Call Center is a small call center. The team specializes in Call Center Services and Customer Service Outsourcing.Read More
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33Undisclosed250 - 999 employeesChula Vista, CAConnempathy, a telephone answering service and Customer Service Outsourcing company, was founded in 2010. The firm specializes in Call Center Services and Customer Service Outsourcing, and is midsize.Read More
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34Undisclosed250 - 999 employeesSacramento, CATeleDirect Call Centers, a call center service and Customer Service Outsourcing company, was launched in 1961. The midsize team provides Call Center Services and Customer Service Outsourcing.Read More
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35$1,000+250 - 999 employeesIrvine, CARead More
Kareo is a cloud-based medical technology platform based in Irvine, Calif., with offices in San Francisco, Las Vegas, Los Angeles, and Costa Rica. Founded in 2004, Kareo's team of 597 employees provides non-voice BPO/back office services and voice services to healthcare and medical related businesses.
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CapterraIndustries
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36Undisclosed10 - 49 employeesSan Francisco, CACloudVO, a call center company, was founded in 2010. The small team provides Call Center Services.Read More
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37Undisclosed1,000 - 9,999 employeesWalnut, CAOBPO is a call center. The large Iloilo City, Philippines-based team specializes in Call Center Services and Back Office Outsourcing. The firm was founded in 2000.Read More
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38$10,000+250 - 999 employeesThousand Oaks, CALaunched in 2017, Advatix is a Logistics & Supply Chain Consulting and Customer Service Outsourcing company. The agency focuses on Logistics & Supply Chain Consulting and Customer Service Outsourcing.Read More
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39Undisclosed50 - 249 employeesRoseville, CALevel 9 Virtual is a graphic design agency. The midsize Roseville, California-based firm was founded in 2017. Their services include Graphic Design, Social Media Marketing, Web Development, Customer Service Outsourcing, and more.Read More
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40$1,000+2 - 9 employeesPalmdale, CAPhone answering service Z4 Tech Medical Solutions is located in Palmdale, California and Muharraq, Bahrain. The small team offers call center services and back office outsourcing and was founded in 2022.Read More
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41Undisclosed10 - 49 employeesIrvine, CAExcel Telemessaging, a small call center service, is in Irvine, California and Venice, Florida. The team focuses on Call Center Services and Customer Service Outsourcing.Read More
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42$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
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43$1,000+50 - 249 employeesSacramento, CARead More
Softfile is a BPO services corporation founded in 1988. Based in Sacramento, Calif., their team of about 20 employees specializes in Non-Voice BPO/Back Office Services and voice services. The industries they focus on are financial services, legal, healthcare, and medical.
Clients
The County of SonomaIndustries
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44Undisclosed10 - 49 employeesLos Angeles, CACall center Convoso is based in Los Angeles, California. The team provides Call Center Services and Sales Outsourcing.Read More
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45$1,000+10,000+ employeesGardena, CAEstablished in 1966, transcosmos is a Customer Service Outsourcing company. Their team provides Customer Service Outsourcing and Call Center Services.Read More
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46$1,000+50 - 249 employeesSan Diego, CAPhone answering service Phone Net is located in San Diego, California. They focus on Call Center Services and Customer Service Outsourcing.Read More
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47Undisclosed10 - 49 employeesLa Habra, CAForme Solar Electric, a Customer Service Outsourcing company, was founded in 2005. The team provides Customer Service Outsourcing and is in La Habra, California.Read More
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48$5,000+10 - 49 employeesBakersfield, CAFounded in 2018, Call Vidia is a Customer Service Outsourcing company. The company offers Customer Service Outsourcing and Back Office Outsourcing, and is small.Read More
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49Undisclosed2 - 9 employeesSan Diego, CAInteliKinect is a Back Office Outsourcing company. The team offers Back Office Outsourcing and Call Center Services, and the company is based in San Diego, California.Read More
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50$1,000+50 - 249 employeesSan Jose, CARPM BPO is a call center company. Their midsize team is in San Jose, California. The firm offers call center services, back office outsourcing, customer service outsourcing, and sales outsourcing.Read More
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51$1,000+2 - 9 employeesLos Angeles, CACall center company AWESOME OS was launched in 2006. The small team focuses on Call Center Services and Back Office Outsourcing.Read More
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52Undisclosed50 - 249 employeesFairfield, CATelegenisys Inc is a Fairfield, California-based Back Office Outsourcing company. They focus on Back Office Outsourcing and Customer Service Outsourcing.Read More
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53$25,000+10 - 49 employeesLos Angeles, CAStat Medical Consulting, Inc. Is a Los Angeles, California-based Back Office Outsourcing and Customer Service Outsourcing company. They offer Back Office Outsourcing and Customer Service Outsourcing.Read More
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54Undisclosed10 - 49 employeesLaguna Hills, CAPhysicians management network inc is a Finance & Accounting Outsourcing (FAO) company. Established in 2000, the team provides Finance & Accounting Outsourcing (FAO) and Call Center Services.Read More
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55Undisclosed250 - 999 employeesLos Angeles, CAGet B2B Leads is a midsize Los Angeles, California-based Sales Outsourcing company. The team provides Sales Outsourcing and Social Media Marketing.Read More
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56Undisclosed2 - 9 employeesSausalito, CADonna Digital Receptionists is a phone answering service. The Sausalito, California-based agency was launched in 2020. Their services include Call Center Services and Customer Service Outsourcing.Read More
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57$5,000+250 - 999 employeesLos Angeles, CAIn Los Angeles, California, Agently.ai is a midsize answering service. The team specializes in Call Center Services and Customer Service Outsourcing.Read More
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58$1,000+10 - 49 employeesModesto, CADoctor Billing Experts, a Customer Service Outsourcing company, was established in 2023. Headquartered in Modesto, California, the team provides Customer Service Outsourcing and Call Center Services.Read More
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59$250,000+50 - 249 employeesLos Angeles, CAMidsize call center service Global Voxe Inc., is headquartered in Los Angeles, California. The team provides Call Center Services and Customer Service Outsourcing.Read More
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60Undisclosed250 - 999 employeesCerritos, CABristol Healthcare Services is an other IT consulting and SI company. Based in Cerritos, California, their team provides other IT consulting and SI and Back Office Outsourcing.Read More
Industries
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