| Locality | Post Code |
|---|---|
| Banks, Boise | 83602 |
| Centerville, Boise | 83631 |
| Crouch, Boise | 83622 |
| Garden Valley, Boise | 83622 |
| Gardena, Boise | 83629 |
| Horseshoe Bend, Boise | 83629 |
| Idaho City, Boise | 83631 |
| Lowman, Boise | 83637 |
| New Centerville, Boise | 83631 |
| Newville, Boise | 83631 |
| Pioneerville, Boise | 83631 |
| Placerville, Boise | 83666 |
| Silver Creek Plunge, Boise | 83622 |
| Star Ranch, Boise | 83631 |
| Steirman, Boise | 83631 |