ZIP codes in Jefferson Davis County
9 ZIPs touch Jefferson Davis County, Mississippi. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
8
cross the county line
49,609
people in these ZIPs
82
counties in MS
Most people
Jefferson Davis County ZIP list
More counties in Mississippi
- Humphreys County8
- Issaquena County6
- Itawamba County10
- Jackson County16
- Jasper County15
- Jefferson County8
- Jones County16
- Kemper County11
- Lafayette County14
- Lamar County7
- Lauderdale County15
- Lawrence County8
Questions people actually ask
How many ZIP codes are in Jefferson Davis County, Mississippi?
9 ZIP codes reach into Jefferson Davis County. 8 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Jefferson Davis County has the most people?
39429 (Columbia) has about 16,320 residents, the most of any ZIP touching Jefferson Davis County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Jefferson Davis 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 Jefferson Davis 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