- Treveskyn
- Trevose
- Trevose Heights
- Trewellyn Estates
- Trewigtown
- Trexler
- Trexlertown
- Treyburn
- Tri-Hill
- Tri Mills
- Trindle Springs
- Trinity House
- Tripoli
- Triumph
- Triumph
- Trooper Mobile Home Park
- Trotter
- Trough Creek
- Trout Creek
- Trout Run
- Troutman
- Trouts Corners
- Troutwell
- Trowbridge
- Troy
- Troy Center
- Troy Hill
- Troytown
- Truce
- Trucksville