There are 9 zip codes in Traill County, North Dakota. The most populated is 58257, located in Mayville. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
582572,340Mayville
580452,103Hillsboro
58218775Buxton
58035263Galesburg
58038248Grandin
58016206Clifford
58223138Cummings
5821969Caledonia
5800930Blanchard

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