Ontonagon County Michigan is covered by a total of 10 ZIP Codes. There are 2 ZIP Codes in Ontonagon County that extend into adjacent counties (Baraga County, Gogebic County, Houghton County, and Iron County). Of the ZIP codes within or partially within Ontonagon County there are 7 Standard ZIP Codes and 3 PO Box ZIP Codes. Data Updated September 15, 2024
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 Ontonagon County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Bergland | Standard | |||
| Bruce Crossing | Standard | |||
| Ewen | Standard | |||
| Greenland | PO Box | |||
| Marenisco | Standard | |||
| Mass City | Standard | |||
| Ontonagon | Standard | |||
| Rockland | PO Box | |||
| Trout Creek | Standard | |||
| White Pine | PO Box |