ZIP Code 20404
20404 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
20404 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 20404 delivers to without sharing its boundary.
ZIP codes nearest 20404
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 20208 | 0.2 mi | Washington, DC |
| ZIP code 20529 | 0.3 mi | Washington, DC |
| ZIP code 20534 | 0.4 mi | Washington, DC |
| ZIP code 20536 | 0.5 mi | Washington, DC |
| ZIP code 20548 | 0.5 mi | Washington, DC |
| ZIP code 20013 | 0.5 mi | Washington, DC |
| ZIP code 20026 | 0.5 mi | Washington, DC |
| ZIP code 20029 | 0.5 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 20404. 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.