ZIP codes in Buffalo County
15 ZIPs touch Buffalo County, Nebraska. The blue dashed line is the county border; orange ZIPs reach into it.
15
ZIP codes
10
cross the county line
53,132
people in these ZIPs
93
counties in NE
Most people
Buffalo County ZIP list
More counties in Nebraska
- Banner County7
- Blaine County5
- Boone County8
- Box Butte County3
- Boyd County5
- Brown County5
- Burt County7
- Butler County14
- Cass County20
- Cedar County13
- Chase County7
- Cherry County19
Questions people actually ask
How many ZIP codes are in Buffalo County, Nebraska?
15 ZIP codes reach into Buffalo County, including 1 PO Box or single-address ZIPs placed by the town they serve. 10 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Buffalo County has the most people?
68845 (Kearney) has about 20,536 residents, the most of any ZIP touching Buffalo County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Buffalo 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 Buffalo 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.
Keep exploring
Updated 2026-11-10 · Where the data comes from