Glendora, CA ZIP Codes
Glendora, California has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Glendora 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?
Glendora ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Glendora city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Glendora ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 91740 | street delivery Glendora |
| 91741 | street delivery Glendora |
ZIP codes from nearby towns that reach into Glendora
- 91702, mailing town Azusa, covers 7 percent of Glendora
Why your mail may say Glendora when you live outside it
A letter addressed to Glendora can go to a home outside the city limits, because ZIP areas follow delivery routes, not town lines.
The reverse happens too: parts of Glendora use 91702, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Los Angeles County property records show which city you are in.
Glendora ZIP code questions
What is the main ZIP code for Glendora?
91740, the ZIP code of the main Glendora post office at 255 S Glendora Ave.
What county is Glendora in?
Los Angeles County.
ZIP codes for towns near Glendora
More towns near Glendora: Claremont, Monrovia, Baldwin Park, La Puente, Montclair, Diamond Bar, Arcadia, Upland, El Monte.
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