| Code | Name | Region |
|---|---|---|
| GBPPS | Prestonpans | ELN |
| GBPRW | Prestwich | BUR |
| GBPIK | Prestwick | SAY |
| GBPWD | Prestwood | BKM |
| GBPRR | Princes Risborough | BKM |
| GBPIW | Princetown | DEV |
| GBPKA | Portskerra | HLD |
| GBPRK | Portskewett | MON |
| GBPTS | Portslade | ESX |
| GBPME | Portsmouth | HAM |
| GBPSY | Portsoy | ABD |
| GBPSW | Portstewart | CLR |
| GBPWK | Portwrinkle | CON |
| GBPSI | Pott Shrigley | CHE |
| GBPHG | Potter Heigham | NFK |
| GBPON | Potterne | WIL |
| GBPOB | Potters Bar | HRT |
| GBPOE | Potterton | ABD |
| GBP89 | Potto | NYK |
| GBPOP | Potton | CBF |
| GBGL9 | Poulton | GLS |
| GBPLF | Poulton-le-fylde | LAN |
| GBXPW | Powmill | PKN |
| GBPYE | Poyle | BKM |
| GBOYL | Poyle | WBK |
| GBPLE | Poyle | WNM |
| GBPRP | Portincaple | AGB |
| GBPTH | Portishead | NSM |
| GBPKN | Portknockie | MRY |
| GBPTL | Portland | DOR |
| GBPRH | Portland Harbour | DOR |
| GBPOT | Portlethen | ABD |
| GBPRL | Portloe | CON |
| GBPMD | Portmadoc | GWN |
| GBPMK | Portmahomack | HLD |
| GBMRI | Portmeirion | GWN |
| GBPMO | Portmore | HAM |
| GBPRN | Portnaguran And Ness | ELS |
| GBPNV | Portnahaven | |
| GBPNG | Portnalong | HLD |
| GBPTX | Porton | WIL |
| GBPPK | Portpatrick | DGY |
| GBPRJ | Portreath | CON |
| GBPRT | Portree | HLD |
| GBPTR | Portrush | ANT |
| GBPSC | Portscatho | CON |
| GBPSE | Port Seton | ELN |
| GBPSU | Port Sunlight | WRL |
| GBPTB | Port Talbot | NTL |
| GBPWI | Port William | DGY |