ZIP Codes in Avondale, AZ
Avondale uses 2 ZIP codes, all in Maricopa County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Avondale ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 85323 | standard | Maricopa | 47,043 |
| 85392 | standard | Maricopa | 39,079 |
Finding a ZIP+4 in Avondale
Knowing which of these 2 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 Avondale 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 Avondale addresses and download it complete.