ZIP code · Naval Anacost Annex · District of Columbia · United States

ZIP code 20373 — Naval Anacost Annex

ZIP code 20373 serves Naval Anacost Annex, District of Columbia.

Postal code: 20373
Single source Value from one source, not cross-checked.
City: Naval Anacost Annex
County: District of Columbia
State: District of Columbia
Country: United States
Coordinates: 38.8951, -77.0364 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population: 311 (ZCTA, ACS 5-year)
Median age: 21.2
Time zone: America/New_York (UTC−5 / UTC−4 DST)

Nearby localities

56901Washington
56915Washington
56920Washington
56933Washington
56944Washington
20237Washington
20355Washington
20528Washington
20500Washington
20501Washington

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page