| 59311 Alzada | 406 | Carter County | Montana (MT) |
| 59316 Boyes | 406 | Carter County | Montana (MT) |
| 59319 Capitol | 406 | Carter County | Montana (MT) |
| 59324 Ekalaka | 406 | Carter County | Montana (MT) |
| 59332 Hammond | 406 | Carter County | Montana (MT) |
| 59324 Mill Iron | 406 | Carter County | Montana (MT) |