- Upson Corners
- Unadilla Center
- Unadilla Forks
- Utopia
- Upper Shodack Island
- Unionville
- Ushers
- Utters Mobile Home Park
- Unionville
- Urbana
- Upton
- Ulster Park
- Union Center
- Union Hill
- Unionville
- Upper Beechwood
- Upper Mongaup
- Upper Fairfield
- Ulster Heights
- Ulster Landing
- Ulsterville
- Union Center
- Uncas Island
- Uniontown
- Union Springs
- Uniondale
- University Gardens
- Upper Brookville
- Upper Nyack
- Utica