Upland, CA ZIP Codes
Upland, California has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Upland 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?
Upland ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
91785 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Upland city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Upland ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 91784 | street delivery Upland |
| 91785 | PO boxes at the Upland post office Upland |
| 91786 | street delivery Upland |
Why your mail may say Upland when you live outside it
Upland ZIP codes also cover San Antonio Heights, so a letter addressed to Upland can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. San Bernardino County property records show which city you are in.
Upland ZIP code questions
What is the main ZIP code for Upland?
91784, the ZIP code of the main Upland post office at 333 E Arrow Hwy.
Which Upland ZIP codes are for PO boxes only?
91785. Mail to it goes to boxes at the post office, not to street addresses.
What county is Upland in?
San Bernardino County.
ZIP codes for towns near Upland
More towns near Upland: San Dimas, Chino, Glendora, Fontana, Eastvale, Diamond Bar, Chino Hills, Covina, Jurupa Valley.
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