For All Emergencies Dial 9-1-1
| Assessor | 754-6356 |
| Building Department | 754-6390 |
| Burn Day Line (recorded message) | 754-6600 785-7664 |
| Calaveras Animal Control | 754-6509 |
| Calaveras County District Attorney | 754-6330 |
| County Fire Districts | |
| Copperopolis Fire Department | 785-2393 |
| Jenny Lind Fire Department | 786-2227 |
| Calaveras County Sheriff | 754-6500 |
| Calaveras County Water District | 754-3543 |
| County Recorder | 754-6372 |
| DMV | 800-777-0133 |
| Libraries | |
| Angels Camp | 736-2198 |
| Copperopolis | 785-0920 |
| Murphys | 728-3036 |
| San Andreas | 754-6510 |
| Valley Springs | 772-1318 |
| Mark Twain Medical Center | |
| Emergency & General Information | 754-3521 |
| Angels Camp Medical Clinic | 736-0813 |
| Arnold Medical Clinic | 795-4193 |
| Copperopolis Medical Clinic | 785-7000 |
| Valley Springs Medical Clinic | 772-9538 |
| Sonora Regional Medical Center | 532-5000 |
| Angels Camp Prompt Care | 736-9130 |
| Local Schools | |
| Bret Harte Union High School | 736-2507 |
| Calaveras High School | 754-1811 |
| Copperopolis Elementary School | 785-2236 |
| Gold Strike High School | 754-2123 |
| Jenny Lind Elementary | 754-2168 |
| Jenny Lind High School | 754-2130 |
| John Vierra / Vallecito High School | 736-4514 |
| Mark Twain Union Elementary | 736-6533 |
| Toyon Middle School | 754-2137 |
| Valley Springs Elementary | 754-2141 |
| Road Department | 754-6402 |
| Social Security Administration | |
| Sonora Office | 532-5101 |
| Toll Free | 800-772-1213 |
| Solid Waste Disposal Sites & Refuse Services | |
| Copperopolis Refuse Disposal | 785-2394 |
| Rock Creek Land Fill | 754-6403 |
| Cal-Waste (Pick-up Service) | 795-1532 |
| Tax Collector-Treasurer | 754-6350 |
| United States Postal Service | |
| Altaville | 736-4095 |
| Angels Camp | 736-2220 |
| Burson | 772-1362 |
| Copperopolis | 785-2326 |
| Murphys | 728-2113 |
| San Andreas | 754-3201 |
| Valley Springs | 772-1560 |
| Wallace | 763-5335 |
