Casa Grande, AZ ZIP Codes
Casa Grande, Arizona has 4 ZIP codes: 3 for street addresses (, and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Casa Grande 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?
Casa Grande ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
85130 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Casa Grande city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Casa Grande ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 85122 | street delivery Casa Grande |
| 85130 | PO boxes at the Casa Grande post office Casa Grande |
| 85193 | street delivery Casa Grande |
| 85194 | street delivery Casa Grande |
Why your mail may say Casa Grande when you live outside it
Casa Grande ZIP codes also cover Chuichu, Arizona City and Tat Momoli, so a letter addressed to Casa Grande can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Pinal County property records show which city you are in.
Casa Grande ZIP code questions
What is the main ZIP code for Casa Grande?
85122, the ZIP code of the main Casa Grande post office at 1670 N Pinal Ave.
Which Casa Grande ZIP codes are for PO boxes only?
85130. Mail to it goes to boxes at the post office, not to street addresses.
What county is Casa Grande in?
Pinal County.
ZIP codes for towns near Casa Grande
More towns near Casa Grande: Tempe, Apache Junction, Goodyear, Avondale, Marana, Phoenix, Glendale, Scottsdale, Oro 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