Cass County North Dakota ZIP Codes - Map and Full List

Cass County North Dakota is covered by a total of 38 ZIP Codes. There are 10 ZIP Codes in Cass County that extend into adjacent counties (Barnes County, Ransom County, Richland County, Steele County, and Traill County). Of the ZIP codes within or partially within Cass County there are 28 Standard ZIP Codes, 5 Unique ZIP Codes and 5 PO Box ZIP Codes.

Map List Related

Cass County North Dakota ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Cass County and can be turned on and off. Each type of postal code can also be turned on and off.

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