Notering byer (12 sted (er)). Velg byen for å se postnummeret (s):
| Oakenclough (1) Old Town (1) Oldham (2) Ormskirk (1) Orrell (1) Osbaldeston (1) | Oswaldtwistle (1) Out Rawcliffe (1) Over Kellet (1) Overton (1) Oxcliffe Hill (1) Oxen Park (1) |
