| 96009 Bieber | 530 | Lassen County | California (CA) |
| 96056 McArthur | 530 | Lassen County | California (CA) |
| 96056 Little Valley | 530 | Lassen County | California (CA) |
| 96056 Pittville | 530 | Lassen County | California (CA) |
| 96068 Nubieber | 530 | Lassen County | California (CA) |
| 96109 Doyle | 530 | Lassen County | California (CA) |
| 96113 Sierra Army Depot | 530 | Lassen County | California (CA) |
| 96113 Patton Village | 530 | Lassen County | California (CA) |
| 96113 Herlong | 530 | Lassen County | California (CA) |
| 96114 Janesville | 530 | Lassen County | California (CA) |
| 96117 Litchfield | 530 | Lassen County | California (CA) |
| 96119 Madeline | 530 | Lassen County | California (CA) |
| 96121 Milford | 530 | Lassen County | California (CA) |
| 96123 Ravendale | 530 | Lassen County | California (CA) |
| 96127 Susanville | 530 | Lassen County | California (CA) |
| 96128 Standish | 530 | Lassen County | California (CA) |
| 96130 Eagle Lake Resort | 530 | Lassen County | California (CA) |
| 96130 California Conservation Cent | 530 | Lassen County | California (CA) |
| 96130 Johnstonville | 530 | Lassen County | California (CA) |
| 96130 Spaulding | 530 | Lassen County | California (CA) |
| 96130 Susanville | 530 | Lassen County | California (CA) |
| 96132 Termo | 530 | Lassen County | California (CA) |
| 96136 Wendel | 530 | Lassen County | California (CA) |
| 96137 Lake Almanor | 530 | Lassen County | California (CA) |
| 96137 Clear Creek | 530 | Lassen County | California (CA) |
| 96137 Lake Almanor Sports & Spirit | 530 | Lassen County | California (CA) |
| 96137 Westwood | 530 | Lassen County | California (CA) |