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ZIP codes in Fresno County

101 ZIPs touch Fresno County, California. The blue dashed line is the county border; orange ZIPs reach into it.

101

ZIP codes

13

cross the county line

1,064,401

people in these ZIPs

58

counties in CA

Most people

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Fresno County ZIP list

More counties in California

All 58 counties in California

Questions people actually ask

How many ZIP codes are in Fresno County, California?

101 ZIP codes reach into Fresno County, including 41 PO Box or single-address ZIPs placed by the town they serve. 13 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Fresno County has the most people?

93722 (Fresno) has about 86,110 residents, the most of any ZIP touching Fresno County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Fresno 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 Fresno 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