| Locality | Post Code |
|---|---|
| Alleyton, Colorado | 78935 |
| Altair, Colorado | 77412 |
| Borden, Colorado | 78962 |
| Columbus, Colorado | 78934 |
| Eagle Lake, Colorado | 77434 |
| Elm Grove, Colorado | 77434 |
| Garwood, Colorado | 77442 |
| Glidden, Colorado | 78943 |
| Hillcrest, Colorado | 78934 |
| Nada, Colorado | 77460 |
| Oakland, Colorado | 78951 |
| Osage, Colorado | 78962 |
| Rock Island, Colorado | 77470 |
| Sheridan, Colorado | 77475 |
| Weimar, Colorado | 78962 |