ZIP codes in Barnes County

20 ZIPs touch Barnes County, North Dakota. The blue dashed line is the county border; orange ZIPs reach into it.

20

ZIP codes

15

cross the county line

14,786

people in these ZIPs

53

counties in ND

Most people

Barnes County ZIP list

Questions people actually ask

How many ZIP codes are in Barnes County, North Dakota?

20 ZIP codes reach into Barnes County. 15 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Barnes County has the most people?

58072 (Valley City) has about 7,863 residents, the most of any ZIP touching Barnes County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Barnes 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 Barnes 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.

Updated 2026-11-10 · Where the data comes from