UB - Uxbridge
The postal area UB (Uxbridge) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within UB - Uxbridge
| Country | Post Town | Postal District |
| England | Southall | UB1 UB2 |
| Hayes | UB3 UB4 |
|
| Northolt | UB5 | |
| Greenford | UB6 | |
| West Drayton | UB7 | |
| Uxbridge | UB8 UB9 UB10 |
