ZIP Codes in Casa Grande, AZ
Casa Grande uses 3 ZIP codes, all in Pinal County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Casa Grande ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 85122 | standard | Pinal | 61,624 |
| 85193 | standard | Pinal | 4,118 |
| 85194 | standard | Pinal | 8,077 |
Finding a ZIP+4 in Casa Grande
Knowing which of these 3 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Casa Grande street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Casa Grande addresses and download it complete.