ZIP codes in Columbia County
8 ZIPs touch Columbia County, Arkansas. The blue dashed line is the county border; orange ZIPs reach into it.
8
ZIP codes
6
cross the county line
27,158
people in these ZIPs
75
counties in AR
Most people
Columbia County ZIP list
More counties in Arkansas
- Carroll County10
- Chicot County6
- Clark County12
- Clay County13
- Cleburne County18
- Cleveland County7
- Conway County15
- Craighead County19
- Crawford County12
- Crittenden County13
- Cross County9
- Dallas County7
Questions people actually ask
How many ZIP codes are in Columbia County, Arkansas?
8 ZIP codes reach into Columbia 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 Columbia County has the most people?
71753 (Magnolia) has about 15,474 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