Top 100 Call Center Services in California
The Best of July 2026Looking 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.
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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, FLXACT is an Orlando, Florida-based answering service. The company offers Call Center Services, Customer Service Outsourcing, Back Office Outsourcing, and Staffing and is midsize.The company was founded in 1998.Read More
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211$10,000+2 - 9 employeesSan Jose, CAAlmanor AI is an AI development company located in San Jose, California. Founded in 2026, the team specializes in Artificial Intelligence and AI Agents.Read More
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212Undisclosed10 - 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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213$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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214Undisclosed10 - 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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215Undisclosed250 - 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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216Undisclosed10 - 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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217Undisclosed10 - 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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218$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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219$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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220$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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221$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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222Undisclosed10 - 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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223Undisclosed10 - 49 employeesSan Francisco, CASeal and Scale is a social media marketing firm. Launched in 2025, the agency provides Social Media Marketing and Search Engine Optimization.Read More
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224Undisclosed2 - 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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225$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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226Undisclosed10 - 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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227Undisclosed10 - 49 employeesLa Mirada, CAB2B Data Partners is a small Customer Service Outsourcing and Sales Outsourcing company founded in 2002. Their services include Customer Service Outsourcing and Sales Outsourcing.Read More
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228Undisclosed10 - 49 employeesPleasanton, CABusiness Consulting company Vouris specializes in Business Consulting and Call Center Services. They were launched in 2020.Read More
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229$100,000+2 - 9 employeesSan Francisco, CABe Up Outsourcing is a San Francisco, California-based Advertising company. Founded in 2021, the team provides Advertising and Search Engine Optimization.Read More
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230$50,000+2 - 9 employeesCosta Mesa, CALead Credit Solution Media is a small branding company. They provide Branding and Event Marketing and were launched in 2021.Read More
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231$1,000+2 - 9 employeesSanta Monica, CAIn Santa Monica, California, Cy Rogers Partnership is a branding agency. They provide Branding and Web Design.Read More
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232$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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233Undisclosed2 - 9 employeesFort Bragg, CAMendo Digital is a small SEO company headquartered in Fort Bragg, California. The team offers Search Engine Optimization and Content Marketing.Read More
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234$1,000+50 - 249 employeesLos Angeles, CATelemarketingPower.com is an answering service company. Their midsize team is located in Surry Hills, Australia and Los Angeles, California. Their services include Call Center Services.Read More
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235$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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236$1,000+50 - 249 employeesSan Jose, CAMetaMind Digital LLC is an Advertising company. They specialize in Advertising and Branding and were founded in 2020.Read More
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237Undisclosed50 - 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
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238Undisclosed10 - 49 employeesBurlingame, CAAdveraTech LLC is an AI firm. They were founded in 2026 and provide Artificial Intelligence and Advertising.Read More
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239Undisclosed50 - 249 employeesLos Angeles, CAPioneer Lists is a midsize Sales Outsourcing company. They focus on Sales Outsourcing and Marketing Strategy and were founded in 1997.Read More
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240Undisclosed50 - 249 employeesCalabasas, CACedar Financial, a telephone answering service, was founded in 1991. The team offers Call Center Services and Back Office Outsourcing and is in Calabasas, California.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
Call Centers
California
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