| Business | Phone |
| Susanville Animal Control 1801 Main St, Susanville 96130 | (530) 257-5605 |
| Susanville City Administrator 66 N Lassen St, Susanville 96130 | (530) 257-1000 |
| Susanville City Council Office 66 N Lassen St, Susanville 96130 | (530) 257-1005 |
| Susanville City Personnel 66 N Lassen St, Susanville 96130 | (530) 257-1007 |
| Lassen Historical Museum 75 N Weatherlow St, Susanville 96130 | (530) 257-3292 |
| Susanville Building Inspection 44 N Lassen St, Susanville 96130 | (530) 257-1022 |
| Susanville City Finance 66 N Lassen St, Susanville 96130 | (530) 257-1009 |
| Susanville Engineering 720 South St, Susanville 96130 | (530) 257-1045 |
| Susanville Maintenance Shop 720 South St, Susanville 96130 | (530) 257-1056 |
| Susanville Mc Kinley Center 2005 4th St, Susanville 96130 | (530) 257-1025 |
| Susanville Meadow View Center 478-275 Paiute Ln, Susanville 96130 | (530) 257-1027 |
| Susanville Meadow View Center 75 N Weatherlow St, Susanville 96130 | (530) 257-1027 |
| Susanville Sewage Treatment 476-200 Bunyan Rd, Susanville 96130 | (530) 257-3731 |
| Susanville Water/Geothermal 66 N Lassen St, Susanville 96130 | (530) 257-1002 |