How many email patterns does U.S. Department of Homeland Security use?

U.S. Department of Homeland Security uses 32 known email patterns.

What domain does U.S. Department of Homeland Security use for work emails?

U.S. Department of Homeland Security uses dhs.gov, cbp.dhs.gov for work email addresses.

Most Common Email Formats at U.S. Department of Homeland Security

U.S. Department of Homeland Security's most common email format is First.Last@dhs.gov (ex. John.Doe@dhs.gov), used for 96% of dhs.gov addresses. U.S. Department of Homeland Security uses 6 email patterns across 2 domains: dhs.gov and cbp.dhs.gov. Percentages are the share of addresses within each domain.

@dhs.gov

3 patterns

Format	Example	Share of dhs.gov
First.Last@dhs.govMost common	John.Doe@dhs.gov	96%
FirstLast@dhs.gov	JohnDoe@dhs.gov	2%
Last.First@dhs.gov	Doe.John@dhs.gov	2%

@cbp.dhs.gov

3 patterns

Format	Example	Share of cbp.dhs.gov
FLast@cbp.dhs.govMost common	JDoe@cbp.dhs.gov	64%
First.Last@cbp.dhs.gov	John.Doe@cbp.dhs.gov	34%
First.M.Last@cbp.dhs.gov	John.M.Doe@cbp.dhs.gov	2%

Frequently Asked Questions

What does U.S. Department of Homeland Security do?

U.S. Department of Homeland Security was founded in 2003 and operates in the Government Administration industry, alongside similar companies like FEMA, Federal Bureau of Investigation (FBI) and Transportation Security Administration (TSA). You can visit dhs.gov or contact U.S. Department of Homeland Security's headquarters by phone at

+1-202-272-****

. Explore U.S. Department of Homeland Security's company overview page for more information.

What is U.S. Department of Homeland Security's email address format?

U.S. Department of Homeland Security's email format typically follows the pattern of First.Last@dhs.gov; this email format is used 96% of the time. Other contacts within LeadIQ's database had email formats such as FirstLast@dhs.gov and Last.First@dhs.gov. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does U.S. Department of Homeland Security have currently?

U.S. Department of Homeland Security has approximately 38K employees as of October 2026. Key team members to contact include Chief Executive Officer: A. S., Chief Executive Officer: B. C. and Chief Executive Officer: C. F. For more team information and contact data, explore U.S. Department of Homeland Security's employee directory with LeadIQ.

U.S. Department of Homeland Security Email Format

Government AdministrationDistrict of Columbia, United States10001+ Employees

The Department of Homeland Security, based in Washington, DC, is a large federal agency within the government administration sector. It aims to secure the nation from a broad range of threats through roles spanning border security, aviation security, emergency response, and cybersecurity analysis, while working with communities and government partners at state, local, tribal, federal, and international levels to strengthen resilience.

Its mandate includes counterterrorism, securing borders and approaches, protecting cyberspace and critical infrastructure, and supporting national prosperity and economic security. The department emphasizes partnerships and the use of science and technology to improve security and make resource use more efficient. A recent development noted in 2026 is DHS's participation in a Hiring Expo in Jacksonville, Florida on June 16-17 to recruit personnel.

Most Common Email Formats at U.S. Department of Homeland Security

@dhs.gov

@cbp.dhs.gov

Need a specific person's email?

Frequently Asked Questions

What does U.S. Department of Homeland Security do?

What is U.S. Department of Homeland Security's email address format?

How many employees does U.S. Department of Homeland Security have currently?

U.S. Department of Homeland Security Email Format

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Most Common Email Formats at U.S. Department of Homeland Security

@dhs.gov

@cbp.dhs.gov

Need a specific person's email?

Frequently Asked Questions

What does U.S. Department of Homeland Security do?

What is U.S. Department of Homeland Security's email address format?

How many employees does U.S. Department of Homeland Security have currently?

U.S. Department of Homeland Security Email Format

Ready to create more pipeline?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.