ZIP codes in Holt County
6 ZIPs touch Holt County, Missouri. The blue dashed line is the county border; orange ZIPs reach into it.
6
ZIP codes
2
cross the county line
4,799
people in these ZIPs
115
counties in MO
Most people
Holt County ZIP list
More counties in Missouri
- Gentry County13
- Greene County32
- Grundy County7
- Harrison County13
- Henry County11
- Hickory County13
- Howard County10
- Howell County13
- Iron County16
- Jackson County77
- Jasper County21
- Jefferson County28
Questions people actually ask
How many ZIP codes are in Holt County, Missouri?
6 ZIP codes reach into Holt County. 2 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Holt County has the most people?
64470 (Mound City) has about 1,483 residents, the most of any ZIP touching Holt County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Holt 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 Holt 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