ZIP codes in Ramsey County
12 ZIPs touch Ramsey County, North Dakota. The blue dashed line is the county border; orange ZIPs reach into it.
12
ZIP codes
9
cross the county line
12,929
people in these ZIPs
53
counties in ND
Most people
Ramsey County ZIP list
More counties in North Dakota
- Morton County8
- Mountrail County12
- Nelson County10
- Oliver County6
- Pembina County14
- Pierce County12
- Ransom County11
- Renville County9
- Richland County19
- Rolette County11
- Sargent County11
- Sheridan County9
Questions people actually ask
How many ZIP codes are in Ramsey County, North Dakota?
12 ZIP codes reach into Ramsey County. 9 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Ramsey County has the most people?
58301 (Devils Lake) has about 10,100 residents, the most of any ZIP touching Ramsey County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Ramsey 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 Ramsey 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