ZIP Code 20431
20431 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
- 204xx
Where this code sits
20431 is part of the 204xx 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.
Washington District of Columbia ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 20431 delivers to without sharing its boundary.
ZIP codes nearest 20431
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 20433 | 0.1 mi | Washington, DC |
| ZIP code 20451 | 0.1 mi | Washington, DC |
| ZIP code 20435 | 0.1 mi | Washington, DC |
| ZIP code 20240 | 0.1 mi | Washington, DC |
| ZIP code 20503 | 0.1 mi | Washington, DC |
| ZIP code 20570 | 0.1 mi | Washington, DC |
| ZIP code 20456 | 0.1 mi | Washington, DC |
| ZIP code 20555 | 0.2 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.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 20431. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.