| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 49805 | Allouez | Keweenaw County | Standard |
| 49901 | Ahmeek | Keweenaw County | PO Box |
| 49905 | Atlantic Mine | Houghton County | Standard |
| 49913 | Calumet | Houghton County | Standard |
| 49916 | Chassell | Houghton County | Standard |
| 49917 | Copper City | Houghton County | PO Box |
| 49918 | Copper Harbor | Keweenaw County | PO Box |
| 49921 | Dodgeville | Houghton County | Standard |
| 49922 | Dollar Bay | Houghton County | PO Box |
| 49930 | Hancock | Houghton County | Standard |
| 49931 | Houghton | Houghton County | Standard |
| 49934 | Hubbell | Houghton County | PO Box |
| 49942 | Kearsarge | Houghton County | PO Box |
| 49945 | Lake Linden | Houghton County | Standard |
| 49950 | Mohawk | Keweenaw County | Standard |
| 49952 | Nisula | Houghton County | Standard |
| 49955 | Painesdale | Houghton County | PO Box |
| 49958 | Pelkie | Houghton County | Standard |
| 49961 | Sidnaw | Houghton County | PO Box |
| 49963 | South Range | Houghton County | PO Box |
| 49965 | Toivola | Houghton County | Standard |
| 49967 | Trout Creek | Houghton County | Standard |