ZIP Codes in Peoria, AZ
Peoria uses 4 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 4 Peoria ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 85345 | standard | Maricopa | 60,918 |
| 85381 | standard | Maricopa | 27,650 |
| 85382 | standard | Maricopa | 43,729 |
| 85383 | standard | Maricopa | 74,390 |
Finding a ZIP+4 in Peoria
Knowing which of these 4 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 Peoria street almost always have different ZIP+4 codes even though they share all five leading digits.
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