ZIP codes in Carter County
5 ZIPs touch Carter County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.
5
ZIP codes
5
cross the county line
14,225
people in these ZIPs
115
counties in MO
Most people
Carter County ZIP list
More counties in Missouri
- Butler County13
- Caldwell County10
- Callaway County27
- Camden County18
- Cape Girardeau County22
- Carroll County11
- Cass County18
- Cedar County10
- Chariton County12
- Christian County22
- Clark County10
- Clay County27
Questions people actually ask
How many ZIP codes are in Carter County, Missouri?
5 ZIP codes reach into Carter County. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Carter County has the most people?
63935 (Doniphan) has about 7,931 residents, the most of any ZIP touching Carter County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Carter 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 Carter 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