San Gabriel, CA ZIP Codes
San Gabriel, California has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which San Gabriel ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
San Gabriel ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
91778 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: San Gabriel city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All San Gabriel ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 91775 | street delivery San Gabriel |
| 91776 | street delivery San Gabriel |
| 91778 | PO boxes at the San Gabriel post office San Gabriel |
Why your mail may say San Gabriel when you live outside it
San Gabriel ZIP codes also cover East San Gabriel, so a letter addressed to San Gabriel can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Los Angeles County property records show which city you are in.
San Gabriel ZIP code questions
What is the main ZIP code for San Gabriel?
91775, the ZIP code of the main San Gabriel post office at 120 S del Mar Ave.
Which San Gabriel ZIP codes are for PO boxes only?
91778. Mail to it goes to boxes at the post office, not to street addresses.
What county is San Gabriel in?
Los Angeles County.
ZIP codes for towns near San Gabriel
More towns near San Gabriel: Pasadena, Montebello, East Los Angeles, Altadena, Pico Rivera, Baldwin Park, Monrovia, Bell, La Puente.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections