ZIP codes in Gibson County
14 ZIPs touch Gibson County, Tennessee. The blue dashed line is the county border; orange ZIPs reach into it.
14
ZIP codes
6
cross the county line
67,598
people in these ZIPs
95
counties in TN
Most people
Gibson County ZIP list
More counties in Tennessee
- Decatur County9
- Dickson County12
- Dyer County12
- Fayette County18
- Fentress County9
- Franklin County16
- Giles County17
- Grainger County10
- Greene County11
- Grundy County10
- Hamblen County10
- Hamilton County37
Questions people actually ask
How many ZIP codes are in Gibson County, Tennessee?
14 ZIP codes reach into Gibson County, including 1 PO Box or single-address ZIPs placed by the town they serve. 6 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Gibson County has the most people?
38343 (Humboldt) has about 15,837 residents, the most of any ZIP touching Gibson County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Gibson 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 Gibson 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