| Format | Example | Percentage |
|---|---|---|
| Format:firstName-lastNameInitial | jane-d@callsource.com | Percentage:49% |
| Format:firstNameInitial_lastNameInitial | j_d@callsource.com | Percentage:41% |
| Format:lastNameInitial.firstName | d.jane@callsource.com | Percentage:4% |
| Format:firstName-lastName | jane-doe@callsource.com | Percentage:4% |
| Format:lastNamefirstName | doejane@callsource.com | Percentage:1% |
| Format:lastNameInitial.firstNameInitial | d.j@callsource.com | Percentage:1% |
CallSource employee email verification for instant deliverability checks.
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 uses 6 email formats across its organization. The most common pattern is firstName-lastNameInitial (e.g., jane-d@callsource.com), used in approximately 49% of work addresses.
CallSource currently employs over 100-200 people from United States, with a head office in Westlake Village, California, US.
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