National Cryptologic Museum

Name: National Cryptologic Museum
Address: 8290 Colony 7 Rd, Annapolis Junction, MD, 20701, US
Telephone: 301-688-5849

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Collection contains thousands of artifacts depicting the history of cryptology (codes & ciphers) and its importance to the security of the United States.

Hours See website for hours.

Location

8290 Colony 7 Rd

Annapolis Junction, MD
20701

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Contact

Local Phone: 301-688-5849

Map

Central Maryland

	Family-Friendly Free Parking

February 18, 2026

Raouf K

Naval History

Marvin was a great host and guide! The privilege to interact with Marvin and other docents is the true national treasure. Will return and appreciate their warmth.

February 18, 2026

Leigh M

Excellent tour

Craig H. Was an excellent tour guide. Learned so much! Enjoyed learning about the role of women and the Navajo code breakers. Much info I had not heard before.

February 18, 2026

April B

Great experience at NCM!

My son and I had an amazing experience at the National Cryptologic Museum. We completed the scavenger hunt and learned many new things about cryptography. It was very cool to see the Enigma machine...