| Locality | Post Code |
|---|---|
| Bancroft, Caribou | 83217 |
| Bench, Caribou | 83241 |
| Central, Caribou | 83241 |
| Chesterfield, Caribou | 83217 |
| Conda, Caribou | 83230 |
| Grace, Caribou | 83241 |
| Gray, Caribou | 83285 |
| Henry, Caribou | 83230 |
| Lago, Caribou | 83241 |
| Lund, Caribou | 83217 |
| Niter, Caribou | 83241 |
| Pebble, Caribou | 83217 |
| Soda Springs, Caribou | 83276 |
| Turner, Caribou | 83241 |
| Wayan, Caribou | 83285 |