ZIP Code 91104
91104 is one of California's ZIP codes, delivering to addresses in Pasadena, Los Angeles County.
- City
- Pasadena
- County
- Los Angeles County
- State
- California
- Prefix
- 911xx
Where this code sits
91104 is part of the 911xx range, the group of codes handled by one mail processing centre. Pasadena is served by 25 ZIP codes in total; the full list, with the county each falls in, is on the Pasadena page.
Pasadena California ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 91104 delivers to without sharing its boundary.
- 213 Area code 213
- 323 Area code 323
- 626 Area code 626
- 738 Area code 738
- 747 Area code 747
- 818 Area code 818
ZIP codes nearest 91104
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 91003 | 1.5 mi | Altadena, CA |
| ZIP code 91101 | 1.6 mi | Pasadena, CA |
| ZIP code 91103 | 1.7 mi | Pasadena, CA |
| ZIP code 91106 | 1.7 mi | Pasadena, CA |
| ZIP code 91199 | 1.7 mi | Pasadena, CA |
| ZIP code 91102 | 1.7 mi | Pasadena, CA |
| ZIP code 91109 | 1.7 mi | Pasadena, CA |
| ZIP code 91110 | 1.7 mi | Pasadena, 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 91104. 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.