| Locality | Post Code |
|---|---|
| Barnum, Carlton | 55707 |
| Carlton, Carlton | 55718 |
| Cloquet, Carlton | 55720 |
| Cromwell, Carlton | 55726 |
| Esko, Carlton | 55733 |
| Holyoke, Carlton | 55749 |
| Kettle River, Carlton | 55757 |
| Knife Falls, Carlton | 55720 |
| Mahtowa, Carlton | 55707 |
| Moose Lake, Carlton | 55767 |
| Nickerson, Carlton | 55797 |
| Sawyer, Carlton | 55780 |
| Scanlon, Carlton | 55720 |
| Skelton, Carlton | 55707 |
| Wrenshall, Carlton | 55749, 55797 |
| Wright, Carlton | 55798 |