Towns
| State | City/Town | Town Title |
|---|---|---|
| California | Mendocino | Mendocino, CA |
| California | Mendota | Mendota, CA |
| California | Menifee | Menifee, CA |
| California | Menlo Park | Menlo Park, CA |
| California | Mentone | Mentone, CA |
| California | Merced | Merced, CA |
| California | Meridian | Meridian, CA |
| California | Meyers | Meyers, CA |
| California | Mi Wuk Village | Mi Wuk Village, CA |
| California | Middletown | Middletown, CA |
| California | Midpines | Midpines, CA |
| California | Midway City | Midway City, CA |
| California | Milford | Milford, CA |
| California | Mill Creek | Mill Creek, CA |
| California | Mill Valley | Mill Valley, CA |
| California | Millbrae | Millbrae, CA |
| California | Millville | Millville, CA |
| California | Milpitas | Milpitas, CA |
| California | Mineral | Mineral, CA |
| California | Mira Loma | Mira Loma, CA |
| California | Miramonte | Miramonte, CA |
| California | Miranda | Miranda, CA |
| California | Mission Hills | Mission Hills, CA |
| California | Mission Viejo | Mission Viejo, CA |
| California | Mobile | Mobile, CA |