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ZIP codes in Pinal County

40 ZIPs touch Pinal County, Arizona. The blue dashed line is the county border; orange ZIPs reach into it.

40

ZIP codes

12

cross the county line

741,854

people in these ZIPs

15

counties in AZ

Most people

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Pinal County ZIP list

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Questions people actually ask

How many ZIP codes are in Pinal County, Arizona?

40 ZIP codes reach into Pinal County, including 5 PO Box or single-address ZIPs placed by the town they serve. 12 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Pinal County has the most people?

85142 (Queen Creek) has about 93,700 residents, the most of any ZIP touching Pinal County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Pinal County and another county?

Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Pinal County. For one address, pin the exact spot on the ZIP finder to see its county.

Where does this list come from?

ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.

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