| Locality | Post Code |
|---|---|
| Bellevue, Blaine | 83313 |
| Broadford, Blaine | 83313 |
| Carey, Blaine | 83320 |
| East Magic, Blaine | 83313 |
| Elk Horn, Blaine | 83354 |
| Gannett, Blaine | 83313 |
| Hailey, Blaine | 83333 |
| Ketchum, Blaine | 83340 |
| Muldoon, Blaine | 83320 |
| Picabo, Blaine | 83348 |
| Sawtooth City, Blaine | 83340 |
| Sun Valley, Blaine | 83353 |
| Triumph, Blaine | 83333 |