Towns
| State | City/Town | Town Title |
|---|---|---|
| California | Torrance | Torrance, CA |
| California | Trabuco Canyon | Trabuco Canyon, CA |
| California | Tracy | Tracy, CA |
| California | Tranquillity | Tranquillity, CA |
| California | Traver | Traver, CA |
| California | Travis Afb | Travis Afb, CA |
| California | Tres Pinos | Tres Pinos, CA |
| California | Trinidad | Trinidad, CA |
| California | Trinity Center | Trinity Center, CA |
| California | Trona | Trona, CA |
| California | Truckee | Truckee, CA |
| California | Tujunga | Tujunga, CA |
| California | Tulare | Tulare, CA |
| California | Tulelake | Tulelake, CA |
| California | Tuolumne | Tuolumne, CA |
| California | Tupman | Tupman, CA |
| California | Turlock | Turlock, CA |
| California | Tustin | Tustin, CA |
| California | Twain | Twain, CA |
| California | Twain Harte | Twain Harte, CA |
| California | Twentynine Palms | Twentynine Palms, CA |
| California | Twin Bridges | Twin Bridges, CA |
| California | Twin Peaks | Twin Peaks, CA |
| California | Ukiah | Ukiah, CA |
| California | Union City | Union City, CA |