How many email patterns does Library of Congress use?

Library of Congress uses 20 known email patterns.

What domain does Library of Congress use for work emails?

Library of Congress uses loc.gov, crs.loc.gov for work email addresses.

Most Common Email Formats at Library of Congress

Library of Congress's most common email format is FLast@loc.gov (ex. JDoe@loc.gov), used for 94% of loc.gov addresses. Library of Congress uses 7 email patterns across 2 domains: loc.gov and crs.loc.gov. Percentages are the share of addresses within each domain.

@loc.gov

4 patterns

Format	Example	Share of loc.gov
FLast@loc.govMost common	JDoe@loc.gov	94%
LFirst@loc.gov	DJohn@loc.gov	4%
FirstLast@loc.gov	JohnDoe@loc.gov	1%
First.Last@loc.gov	John.Doe@loc.gov	1%

@crs.loc.gov

3 patterns

Format	Example	Share of crs.loc.gov
FLast@crs.loc.govMost common	JDoe@crs.loc.gov	94%
Last@crs.loc.gov	Doe@crs.loc.gov	5%
LFirst@crs.loc.gov	DJohn@crs.loc.gov	1%

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Frequently Asked Questions

What does Library of Congress do?

Library of Congress was founded in 1800 and operates in the Libraries industry, alongside similar companies like Smithsonian Institution, National Library of Scotland and National Park Service. You can visit loc.gov or contact Library of Congress's headquarters by phone at

+1-202-707-****

. Explore Library of Congress's company overview page for more information.

What is Library of Congress's email address format?

Library of Congress's email format typically follows the pattern of FLast@loc.gov; this email format is used 94% of the time. Other contacts within LeadIQ's database had email formats such as LFirst@loc.gov and FirstLast@loc.gov. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does Library of Congress have currently?

Library of Congress has approximately 4.5K employees as of October 2026. Key team members to contact include Chief Security Officer: R. D., Chief Of Marketing And Outreach: D. M. and Chief Program Management Governance & Operations Division: C. W. For more team information and contact data, explore Library of Congress's employee directory with LeadIQ.

Library of Congress Email Format

LibrariesDistrict of Columbia, United States1001-5000 Employees

The Library of Congress operates as the United States' federal research library and the oldest federal cultural institution. It is the largest library in the world, preserving millions of books, recordings, photographs, maps, and manuscripts. Its mission is to support Congress in fulfilling its constitutional duties and to advance knowledge and creativity for the benefit of the American people.

Its primary audience includes lawmakers and researchers, with its holdings and services also available to the general public for education and scholarship. Based in Washington, DC, the institution is a large, federally run library organization, and in 2026 it introduced a Story Map on American Viticultural Areas as part of its ongoing digital and interpretive projects.

Most common format

FLast@loc.gov

Example: JDoe@loc.gov

7 patterns across 2 domains. See all formats

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Most Common Email Formats at Library of Congress

@loc.gov

@crs.loc.gov

Need a specific person's email?

Frequently Asked Questions

What does Library of Congress do?

What is Library of Congress's email address format?

How many employees does Library of Congress have currently?

Library of Congress Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.