There are 7 zip codes in Dunn County, North Dakota. The most populated is 58640, located in Killdeer. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
586401,226Killdeer
587571,171Mandaree
58636934Halliday
58626636Dunn Center
58642321Manning
58625288Dodge
5864421Marshall

Zip Codes in Dunn County, North Dakota by Population (2024)