| Locality | Post Code |
|---|---|
| Anthony, Fremont | 83445 |
| Ashton, Fremont | 83420 |
| Big Springs, Fremont | 83433 |
| Box Canyon, Fremont | 83429 |
| Canyon Creek, Fremont | 83436 |
| Chester, Fremont | 83421 |
| Clementsville, Fremont | 83436 |
| Drummond, Fremont | 83420 |
| Egin, Fremont | 83445 |
| Heman, Fremont | 83445 |
| Island Park, Fremont | 83429 |
| Lamont, Fremont | 83420 |
| Last Chance Resort, Fremont | 83429 |
| Macks Inn, Fremont | 83433 |
| Marysville, Fremont | 83420 |
| Newdale, Fremont | 83436 |
| Parker, Fremont | 83438 |
| Ponds Resort, Fremont | 83429 |
| Saint Anthony, Fremont | 83445 |
| Teton, Fremont | 83451 |
| Twin Groves, Fremont | 83445 |
| Warm River, Fremont | 83420 |
| Wilford, Fremont | 83445 |