| 59521 Box Elder | 406 | Hill County | Montana (MT) |
| 59525 Gildford | 406 | Hill County | Montana (MT) |
| 59501 Havre | 406 | Hill County | Montana (MT) |
| 59528 Hingham | 406 | Hill County | Montana (MT) |
| 59530 Inverness | 406 | Hill County | Montana (MT) |
| 59532 Kremlin | 406 | Hill County | Montana (MT) |
| 59521 Rocky Boy | 406 | Hill County | Montana (MT) |
| 59540 Rudyard | 406 | Hill County | Montana (MT) |