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ZIP codes in Wallace County

4 ZIPs touch Wallace County, Kansas. The blue dashed line is the county border; orange ZIPs reach into it.

4

ZIP codes

3

cross the county line

3,334

people in these ZIPs

105

counties in KS

Most people

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Wallace County ZIP list

More counties in Kansas

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Questions people actually ask

How many ZIP codes are in Wallace County, Kansas?

4 ZIP codes reach into Wallace County. 3 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Wallace County has the most people?

67861 (Leoti) has about 1,854 residents, the most of any ZIP touching Wallace County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Wallace 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 Wallace 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