| Business | Phone |
| Mono County Energy Management 437 Old Mammoth Rd # P, Mammoth Lakes 93546 | (760) 924-5452 |
| Mono County Planning Dept 437 Old Mammoth Rd # P, Mammoth Lakes 93546 | (760) 924-5450 |
| Mono County Ambulance Mammoth Lakes 93546 | (760) 934-5198 |
| Mono County Building Dept 437 Old Mammoth Rd # P, Mammoth Lakes 93546 | (760) 924-5451 |
| Mono County Childrens System 452 Old Mammoth Rd, Mammoth Lakes 93546 | (760) 934-6392 |
| Mono County Community Center Mammoth Lakes 93546 | (760) 934-9189 |
| Mono County Council Mammoth Lakes 93546 | (760) 924-1700 |
| Mono County Counsel 437 Old Mammoth Rd # P, Mammoth Lakes 93546 | (760) 924-5455 |
| Victim Witness 452 Old Mammoth Rd Fl 3, Mammoth Lakes 93546 | (760) 924-5424 |