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

November 29, 2025

CrazyCatLondon

Great little museum, the kids really enjoyed it.

Spent a couple of hours here over Thanksgiving weekend. Great museum with interactive challenges for the kids. Though small (don’t be expecting Bletchley Park) the passion and knowledge of the...

September 23, 2025

Michael H

Fantastic displays and tour

Marilyn was amazing and she is an excellent communicator of the technical knowledge and aspects of cryptography. She explained things in a way that made sense to me without having much base knowledge...

July 19, 2025

Sam K

A Nerd's Dream!

The museum is a bit outside of DC but well worth the drive. Think of it as the Spy Museum's more hidden, more nerdy, and totally free sibling. You get a real sense here of the thousands of people who...