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National Ocean Service

The National Ocean Service works to protect U.S. coasts and coastal communities. The Ocean Service also maintains the national spatial reference system that underpins mapping, charting, and gps functions.

Contact the Agency or Department

Website: National Ocean Service

E-mail:

Address: SSMC4, Room 13317
1305 East West Highway

Silver Spring, MD 20910

Phone Number: (301) 713-3010