State: California
County: Sierra
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 95910 | Alleghany | CA | Sierra County | 29 | 2439 |
| 95944 | Goodyears Bar | CA | Sierra County | 43 | |
| 96111 | Floriston | CA | Sierra County | 57 | |
| 96125 | Sierra City | CA | Sierra County | 200 | |
| 96124 | Calpine | CA | Sierra County | 240 | |
| 96126 | Sierraville | CA | Sierra County | 296 | |
| 95936 | Downieville | CA | Sierra County | 374 | |
| 96118 | Loyalton | CA | Sierra County | 1200 |