- Trona
- Tunitas
- Tuolumne
- Tustin Foothills
- Twentynine Palms Base
- Twin Bridges
- Twin Peaks
- Tassajara
- The Brothers
- Tormey
- Tahoe Keys
- Tahoe Valley
- Tylers Corner
- Tarpey
- Tarpey Village
- Three Rocks
- Turk
- Table Bluff
- Table Bluff Rancheria
- Teal Island
- The Brothers
- The Springs
- Thorn Junction
- Three Brothers
- Turtle Rocks
- Twin Rocks
- Tyee City
- Tortuga
- Truckhaven
- Talus