NNSA Contact Us

202-586-5000 (Main Switchboard)
For Hearing and/or Speech Impaired: 1-800-877-8339

National Nuclear Security Administration
U.S. Department of Energy
1000 Independence Ave., SW
Washington, DC 20585

*Please note: mail may take up to 3 weeks to arrive. As such, we strongly encourage you to use the form below.

FOIA Inquiries: For NNSA Freedom of Information Act inquiries, go to the NNSA FOIA page

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