ZIP codes in Navajo County

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

ZIP codes

cross the county line

131,846

people in these ZIPs

counties in AZ

Most people

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Navajo County ZIP list

More counties in Arizona

All 15 counties in Arizona

Questions people actually ask

How many ZIP codes are in Navajo County, Arizona?

33 ZIP codes reach into Navajo County. 12 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Navajo County has the most people?

85901 (Show Low) has about 19,533 residents, the most of any ZIP touching Navajo County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Navajo 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 Navajo 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