

CallSource: Detailed Company Information & Corporate Profile
Summary
CallSource, headquartered in Westlake Village, California, specializes in outreach services that empower businesses to capture, analyze, and convert inbound calls into qualified leads. Since its founding in 1991, the firm has built a suite of tools—call tracking, dynamic number insertion, vanity numbers, attribution, and call analytics—that provide deep insights into telephone performance and lead scoring. The company serves sectors such as healthcare and home services, delivering precise call dispositions and robust performance analysis to help clients optimize their outreach programs.
With a team of 100‑200 professionals and annual revenues between $50 million and $100 million, CallSource boasts leadership that includes Vice President of Business Development Jas Jackson CFE, President & CFO Indra Chitre, and Senior Vice President of Engineering J Berghof III. Additional executives—Vice Presidents Josh Oosterhof and Kelley Koliopulos, Sales Administration Intern Will Southard, Customer Service Team Lead Hannah Cantrell, and others—drive the company’s continued innovation and customer success.
| CallSource Website | callsource.com |
| Phone Number | (833) 860-8154 |
| Industries | |
| CallSource Headquarters Address | 5601 Lindero Canyon Road, Westlake Village, California, 91362 US |
| Company Size | 100-200 employees |
| Specialities & Services | Call Tracking, Lead Scoring, Healthcare, Telephone Performance Analysis, Home Services, Vanity Numbers, Attribution, Dynamic Number Insertion, Call Dispositions, Call Analytics |
| Founded | 1991 |
| Estimated Annual Revenue | $50M - 100M |
| Updated: | 2026-09-21 |
Estimated Website Traffic
The chart shows a growth in traffic to the callsource.com website. In September, traffic increased to 49917, compared to 32194 in the previous month. The highest traffic in 2026 was recorded in September, reaching 49917 visits.
Workforce Turnover
Number of employees switched from or switched to
Length of Employment
CallSource's workforce includes employees across a wide range of tenure levels.
6% have been with the company for 1 to 2 years12% have been with the company for 3 to 4 years9% have been with the company for 5 to 7 years12% have been with the company for 8 to 10 years61% have been with the company for more than 11 yearsCompanies Similar to CallSource
CallSource Corporate Information: FAQ
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