How many email patterns does JSI use?

JSI uses 6 known email patterns.

What domain does JSI use for work emails?

JSI uses jsitel.com for work email addresses.

Most Common Email Formats at JSI

JSI's most common email format is FLast@jsitel.com (ex. JDoe@jsitel.com), used for 96% of jsitel.com addresses. JSI uses 3 email patterns.

@jsitel.com

3 patterns

Format	Example	Share of jsitel.com
FLast@jsitel.comMost common	JDoe@jsitel.com	96%
First.Last@jsitel.com	John.Doe@jsitel.com	3%
F.Last@jsitel.com	J.Doe@jsitel.com	1%

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Frequently Asked Questions

What does JSI do?

JSI was founded in 1962 and operates in the Telecommunications industry, alongside similar companies like Xerox, Valid USA and IDEMIA. You can visit jsitel.com or contact JSI's headquarters by phone at

+1-301-459-****

. Explore JSI's company overview page for more information.

What is JSI's email address format?

JSI's email format typically follows the pattern of FLast@jsitel.com; this email format is used 96% of the time. Other contacts within LeadIQ's database had email formats such as First.Last@jsitel.com and F.Last@jsitel.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does JSI have currently?

JSI has approximately 543 employees as of October 2026. Key team members to contact include Chief Revenue Officer (cro): A. F., Vice President Regulatory Affairs: J. H. and Vice President Of Finance And Systems (head Of Fp&a): B. P. For more team information and contact data, explore JSI's employee directory with LeadIQ.

JSI Email Format

Q: What is JSI's email address format?

JSI's email format typically follows the pattern of ${fi}${ln}. Other email formats include ${fn}.${ln} and ${fi}.${ln}.

TelecommunicationsMaryland, United States501-1000 Employees

JSI is a telecommunications company based in Greenbelt, Maryland, with a street address at 6404 Ivy Lane, Suite 700, Greenbelt, MD 20770, United States. It employs between 501 and 1000 people. JSI provides end-to-end engineering, consulting, operational, and regulatory compliance services to broadband providers to design, deploy, operate, and optimize high-performance networks. With over 60 years of experience, the company offers advanced digital solution services and supports infrastructure design, deployment, regulatory compliance, and 24/7 operations. JSI partners with broadband providers to expand access and strengthen operations in an increasingly connected environment; more information is available at https://jsitel.com.

Most common format

FLast@jsitel.com

Example: JDoe@jsitel.com

3 patterns. See all formats

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Most Common Email Formats at JSI

@jsitel.com

Need a specific person's email?

Frequently Asked Questions

What does JSI do?

What is JSI's email address format?

How many employees does JSI have currently?

JSI Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.