ZIP Code 20237

20237 is one of District of Columbia's ZIP codes, delivering to addresses in Washington, District of Columbia.

City

Washington

District

District of Columbia

State

District of Columbia

Prefix

202xx

Where this code sits

20237 is part of the 202xx range, the group of codes handled by one mail processing centre. Washington is served by 271 ZIP codes in total; the full list, with the district each falls in, is on the Washington page.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 20237 delivers to without sharing its boundary.

ZIP codes nearest 20237

The ZIP codes whose reference points sit closest to 20237.
ZIP code	Distance	Delivers to
ZIP code 20355	0.0 mi	Washington, DC
ZIP code 20528	0.0 mi	Washington, DC
ZIP code 56901	0.0 mi	Washington, DC
ZIP code 56915	0.0 mi	Washington, DC
ZIP code 56920	0.0 mi	Washington, DC
ZIP code 56933	0.0 mi	Washington, DC
ZIP code 56944	0.0 mi	Washington, DC
ZIP code 20068	0.0 mi	Washington, DC

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 20237, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 20237. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.