ZIP codes in Colfax County
7 ZIPs touch Colfax County, Nebraska. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
5
cross the county line
42,847
people in these ZIPs
93
counties in NE
Most people
Colfax County ZIP list
More counties in Nebraska
- Cass County20
- Cedar County13
- Chase County7
- Cherry County19
- Cheyenne County6
- Clay County15
- Cuming County11
- Custer County21
- Dakota County8
- Dawes County6
- Dawson County12
- Deuel County3
Questions people actually ask
How many ZIP codes are in Colfax County, Nebraska?
7 ZIP codes reach into Colfax County. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Colfax County has the most people?
68601 (Columbus) has about 30,944 residents, the most of any ZIP touching Colfax County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Colfax 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 Colfax 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