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US Naval Observatory
One of 3 science attraction listings in Washington.
About US Naval Observatory
US Naval Observatory is a science attraction in the attractions and activities sector, based in Washington, DC. Its recorded address is 3200 Massachusetts Ave NW, 20008. The listing includes a telephone number, an official website. It is one of 3 science attraction listings tracked in Washington; the nearest comparable listing is Georgetown University Astronomical Observatory, about 1.9 km away.
- Address
- 3200 Massachusetts Ave NW, Washington, DC, 20008
- Phone
- +12027621467
- Website
- usno.navy.mil
- Social
Questions
Where is US Naval Observatory located?
3200 Massachusetts Ave NW, Washington, DC, 20008
How do I contact US Naval Observatory?
+12027621467 · https://www.usno.navy.mil/USNO
What type of business is US Naval Observatory?
US Naval Observatory is a science attraction (attractions and activities) in Washington.
Nearby science attraction
- Georgetown University Astronomical ObservatoryWashington1.9 km
- Phoebe Waterman Haas Public ObservatoryWashington5.4 km
- University of Maryland ObservatoryCollege Park12.9 km
- City of Greenbelt ObservatoryGreenbelt19.6 km
- Goddard Geophysical and Astronomical ObservatoryPrince George's County23.2 km
- GMU ObservatoryFairfax23.3 km
- Signals ObservatoryGaithersburg29.9 km
- Maryland Space Grant ObservatoryBaltimore59.4 km
- ObservatoryBel Air97.3 km
- Ryan ObservatoryMartic122.6 km
- Keeble ObservatoryAshland133.8 km
- Edward L. Naylor ObservatoryLewisberry137.2 km
- Naylor ObservatoryLewisberry137.2 km
- Morgan County ObservatoryBerkeley Springs117.6 km
- Joseph R. Grundy ObservatoryLancaster140.6 km
Cite this page
“US Naval Observatory, Washington — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.