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

September 23, 2026

Cadia M

Mervin is Awesome!

Came here and although extremely interesting I don’t have a background in math so a lot of it felt over my head. Mervin came by and gave us a tour and contextualized the machines with flare. He was...

August 30, 2026

itari

The National Cryptologic Museum - a "hidden" gem

This is the third time we've been there over several years and each time we take different visitors - some of whom have lived in and around Baltimore for many years and have never heard of it. I...

August 25, 2026

Olga S

Amazing guided tour thanks to Marvin

I recently visited the museum and had a fantastic time, largely thanks to our incredible guide, Mervin. I want to express my deepest gratitude for his remarkably detailed tour. Mervin’s profound...