ZIP codes in Columbia County
9 ZIPs touch Columbia County, Florida. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
4
cross the county line
90,365
people in these ZIPs
67
counties in FL
Most people
Columbia County ZIP list
More counties in Florida
- Broward County88
- Calhoun County8
- Charlotte County21
- Citrus County24
- Clay County16
- Collier County29
- DeSoto County6
- Dixie County6
- Duval County54
- Escambia County30
- Flagler County10
- Franklin County9
Questions people actually ask
How many ZIP codes are in Columbia County, Florida?
9 ZIP codes reach into Columbia County, including 1 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Columbia County has the most people?
32025 (Lake City) has about 22,948 residents, the most of any ZIP touching Columbia County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Columbia 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 Columbia 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