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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61$10,000+250 - 999 employeesSan Diego, CAValoroo, an IT staff augmentation company, is headquartered in San Diego, California. Established in 2019, the team provides IT staff augmentation and Call Center Services.Read More
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62$10,000+50 - 249 employeesRiverside, CAIn Riverside, California, Q-vantage is a midsize social media marketing company. Their services include Social Media Marketing and IT strategy consulting.Read More
Clients
The Salvation Army -
63Undisclosed10 - 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
Industries
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64$1,000+10 - 49 employeesCastaic, CAHuman Medical Billing is a Back Office Outsourcing company. Headquartered in Castaic, California and Los Angeles, California, the firm provides Back Office Outsourcing and Call Center Services.Read More
Industries
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65$1,000+10 - 49 employeesTemecula, CAEstablished in 2015, Lawn Doctor USA is a Customer Service Outsourcing company. The team specializes in Customer Service Outsourcing.Read More
Industries
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66Undisclosed10 - 49 employeesPalm Springs, CASDRengine is a Sales Outsourcing company launched in 2020. Their services include Sales Outsourcing and Call Center Services.Read More
Industries
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67$1,000+50 - 249 employeesLos Angeles, CADirect Marketing company ConnectPeak is based in Los Angeles, California and Taipei, Taiwan. Their services include Direct Marketing and Call Center Services.Read More
Industries
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68Undisclosed2 - 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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69$1,000+10 - 49 employeesTulare, CAEstablished in 2019, Latest Lead is a data analytics company. The firm offers BI & big data consulting & SI and Business Consulting.Read More
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70Undisclosed10 - 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
Industries
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71$1,000+250 - 999 employeesBerkeley, CAScale Support, a Customer Service Outsourcing company, is based in Berkeley, California. They provide Customer Service Outsourcing and Call Center Services.Read More
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72Undisclosed10 - 49 employeesLos Angeles, CARead More
Sound Telecom is an answering services provider based in Spokane, Wash., with a team of 25. Founded in 1986, the team provides voice and transcription services for clients in a variety of industry.
Clients
BoeingIndustries
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73$10,000+10 - 49 employeesSan Diego, CANice2Chat is a Customer Service Outsourcing company. The San Diego, California-based firm was established in 2015. Their services include Customer Service Outsourcing.Read More
Industries
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74$5,000+10 - 49 employeesSan Diego, CABased in San Diego, California, Wave Representatives is a small Direct Marketing company. Their services include Direct Marketing and Marketing Strategy.Read More
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75$1,000+250 - 999 employeesLos Angeles, CADoStar Moving is a Corporate Relocation company launched in 1998. The company offers Corporate Relocation and Trucking, and is midsize.Read More
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76$5,000+50 - 249 employeesSan Diego, CAMedical Care Billing is a Back Office Outsourcing company. The midsize San Diego, California-based team focuses on Back Office Outsourcing and Accounting. The company was established in 2012.Read More
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77Undisclosed10,000+ employeesSacramento, CARead More
ModSquad, a public relations company, was founded in 2007. In San Francisco, California, their midsize team offers public relations, IT managed services, IT staff augmentation, and IT strategy consulting.
Clients
Warner BrothersIndustries
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78$1,000+10,000+ employeesIrvine, CARead More
Founded in 1999, Alorica is a large non-voice bpo/back office services and call center. Their services include non-voice bpo/back office services and voice services. The firm is headquartered in Irvine, California.
Industries
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79$1,000+50 - 249 employeesPleasant Hill, CACall24 Communications, an answering service, is located in Pleasant Hill, California. Founded in 1985, the team focuses on Call Center Services and Customer Service Outsourcing.Read More
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80$1,000+10 - 49 employeesOakland, CATopaz Services, a phone answering service, is in Oakland, California. They offer Call Center Services and Customer Service Outsourcing and were founded in 1986.Read More
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81$1,000+50 - 249 employeesBerkeley, CADirect Line is a call center company. They are located in Berkeley, California and have midsize team. They specialize in Call Center Services and Customer Service Outsourcing.Read More
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82$5,000+50 - 249 employeesLos Angeles, CAHighPower is a midsize Customer Service Outsourcing company. Founded in 2015, the team provides Customer Service Outsourcing and Call Center Services.Read More
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83$1,000+50 - 249 employeesLos Angeles, CABusiness Consulting company SD&A Teleservices is based in Los Angeles, California. Their services include Business Consulting and Call Center Services.Read More
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84$1,000+50 - 249 employeesLos Angeles, CACallCentersNow, a call center, was established in 2015. They focuses on Call Center Services and Sales Outsourcing.Read More
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85$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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86Undisclosed10 - 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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87Undisclosed250 - 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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88Undisclosed250 - 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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89Undisclosed10 - 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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90Undisclosed50 - 249 employeesBrisbane, CAVOX Network Solutions is a software development firm. The team focuses on Custom Software Development and Customer Service Outsourcing and is located in Brisbane, California.Read More
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