Arizona ZIP codes

All 530 ZIPs in Arizona, 85001 to 86556. Tap one on the map or in the list.

530

ZIP codes

7,380,680

people live in them

counties

113

PO Box & no-area ZIPs

Most people

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All 530 Arizona ZIP codes

ZIP codes by county

Pick a county for its ZIP list and map. Counts include ZIPs that only partly reach into the county.

Questions people actually ask

How many ZIP codes are in Arizona?

530 ZIP codes are in use in Arizona. 417 cover a delivery area, and 113 are PO Box, single-building or organization ZIPs with no area of their own.

What do Arizona ZIP codes start with?

Arizona ZIP codes start with these three-digit prefixes: 850–853, 855–857, 859–860, 863–865. Each prefix is a mail sorting area run from one processing center.

Which Arizona ZIP code has the most people?

85142 in Queen Creek has the most residents of any Arizona ZIP, about 93,700 people in the Census Bureau’s ACS 2020–2024 estimates.

Which Arizona county has the most ZIP codes?

Maricopa County touches 202 ZIP codes, the most of the 15 counties in Arizona. 46 Arizona ZIPs reach into more than one county.

Are these the official USPS ZIP code boundaries?

The map uses Census ZIP Code Tabulation Areas, the standard public stand-in for USPS delivery areas. They match for almost every home. For a mailing address, the USPS ZIP Code lookup has the final word.

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Updated 2026-11-10 · Where the data comes from