| Localité | Code postal |
|---|---|
| Bear River City, Box Elder | 84301 |
| Beaverdam, Box Elder | 84306 |
| Beeton, Box Elder | 84309 |
| Bothwell, Box Elder | 84337 |
| Brigham, Box Elder | 84302 |
| Brigham City, Box Elder | 84302 |
| Bushnell, Box Elder | 84302 |
| Collinston, Box Elder | 84306 |
| Corinne, Box Elder | 84307 |
| Crystal Springs, Box Elder | 84314 |
| Deweyville, Box Elder | 84309 |
| Elwood, Box Elder | 84337 |
| Etna, Box Elder | 84313 |
| Fielding, Box Elder | 84311 |
| Garland, Box Elder | 84312 |
| Grouse Creek, Box Elder | 84313 |
| Honeyville, Box Elder | 84314 |
| Howell, Box Elder | 84316 |
| Madsen, Box Elder | 84314 |
| Mantua, Box Elder | 84324 |
| Park Valley, Box Elder | 84329 |
| Penrose, Box Elder | 84337 |
| Perry, Box Elder | 84302 |
| Plymouth, Box Elder | 84330 |
| Portage, Box Elder | 84331 |
| Promontory, Box Elder | 84307 |