| Post Office | International Falls |
| Division | Koochiching |
| Pincode | 56649 |
| Post Office | Littlefork |
| Division | Koochiching |
| Pincode | 56653 |
| Post Office | Birchdale |
| Division | Koochiching |
| Pincode | 56629 |
| Post Office | Mizpah |
| Division | Koochiching |
| Pincode | 56660 |
| Post Office | Big Falls |
| Division | Koochiching |
| Pincode | 56627 |
| Post Office | Kabetogama |
| Division | Koochiching |
| Pincode | 56669 |
10 City in Koochiching | List of Zip Codes Location In Minnesota and Your selected County Koochiching