- The Reserve at Lafayette Springs
- The Reserve at Trewellyn
- The Ridings of Chadds Ford
- The Ridings of Montgomery
- The Woodlands
- The Woods
- The Woods at Providence Reserve
- The Wyndon
- Thielman Crossroads
- Third Island
- Thomas
- Thomas Crossroads
- Thomas Gardens
- Thomas Island
- Thomas Mill
- Thomas Mills
- Thomas Wynne
- Thomasdale
- Thomasville
- Thompson
- Thompson Number 1
- Thompson Number 2
- Thompsons Island
- Thompsons Mills
- Thompsontown
- Thompsontown
- Thompsontown Station
- Thompsonville
- Thornburg
- Thornbury