| Übach | zie Übach-Palenberg |
| Übach-Palenberg | HeKö |
| Ubbergen | NiKl |
| Uchaud | CsNî |
| Uchaux | AvVa |
| Uchizy | ChMâ |
| Uckange | TrMe |
| Ueberstrass | BeKe |
| Uerdingen | XaKö |
| Uffheim | BaSt*, BeKe |
| Ugine | AlGe |
| Ulflingen | WiDü |
| Unter-Worben | AvAu |
| Upaix | RéGa |
| Upie | VaGa |
| Urbise | VoRo |
| Urdens | LeAu |
| Urdos | SoLe |
| Urft | DüTr |
| Urmitz | KöKo |
| Urschenheim | StKe |
| Urville | LaSo |
| Urvillers | CaSo |
| Usses | AoGe |
| Usson-en-Forez | H8.2, MeFe |
| Utrecht | H2.1, LeHe |
| Uzay-le-Vernon | BoCu* |
| Uzès | H8.1, MeBe |