ZIP codes in La Paz County
9 ZIPs touch La Paz County, Arizona. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
0
cross the county line
16,664
people in these ZIPs
15
counties in AZ
Most people
La Paz County ZIP list
More counties in Arizona
- Apache County32
- Cochise County27
- Coconino County32
- Gila County16
- Graham County13
- Greenlee County4
- Maricopa County202
- Mohave County32
- Navajo County33
- Pima County74
- Pinal County40
- Santa Cruz County11
Questions people actually ask
How many ZIP codes are in La Paz County, Arizona?
9 ZIP codes reach into La Paz County, including 1 PO Box or single-address ZIPs placed by the town they serve. Every ZIP area here lies wholly inside the county.
Which ZIP code in La Paz County has the most people?
85344 (Parker) has about 9,433 residents, the most of any ZIP touching La Paz County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in La Paz 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 La Paz 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