ZIP Code 90403
90403 is one of California's ZIP codes, delivering to addresses in Santa Monica, Los Angeles County.
- City
- Santa Monica
- County
- Los Angeles County
- State
- California
- Prefix
- 904xx
Where this code sits
90403 is part of the 904xx range, the group of codes handled by one mail processing centre. Santa Monica is served by 11 ZIP codes in total; the full list, with the county each falls in, is on the Santa Monica page.
Santa Monica California ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 90403 delivers to without sharing its boundary.
ZIP codes nearest 90403
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 90406 | 0.6 mi | Santa Monica, CA |
| ZIP code 90407 | 0.6 mi | Santa Monica, CA |
| ZIP code 90408 | 0.6 mi | Santa Monica, CA |
| ZIP code 90409 | 0.6 mi | Santa Monica, CA |
| ZIP code 90410 | 0.6 mi | Santa Monica, CA |
| ZIP code 90411 | 0.6 mi | Santa Monica, CA |
| ZIP code 90402 | 0.7 mi | Santa Monica, CA |
| ZIP code 90401 | 0.8 mi | Santa Monica, CA |
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 90403. 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.