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National Cryptologic Museum

The National Cryptologic Museum will close temporarily starting March 14 out of caution of the risks presented by COVID-19. Please monitor the museum's Facebook page for updates and reopening information.

Road construction on Canine Road and Colony Seven. Please take extra care and follow signs to the museum.

Daily Hours of Operation

Monday – Friday
9:00 a.m. – 4:00 p.m.

Saturdays (1st and 3rd Saturdays of the month)
10:00 a.m. – 2:00 p.m.

Closed Sundays and Federal Holidays

Phone numbers
Office:  301-688-5849
Gift Shop:  301-688-6857
Library:  301-688-2145
Fax:  301-688-5847
Email the Museum

Group tours are scheduled in advance. A minimum of six people is required to schedule a tour.