| Code | Name | Region |
|---|---|---|
| GBEAH | Rackheath | NFK |
| GBRDC | Radcliffe | BUR |
| GBRNT | Radcliffe On Trent | NTT |
| GBRDL | Radlett | HRT |
| GBRAD | Radley | OXF |
| GBRSK | Radstock | BAS |
| GBRYG | Radway Green | CHE |
| GBRGA | Raglan | MON |
| GBRNF | Rainford | SHN |
| GBRAH | Rainham | HAV |
| GBRNA | Rainham | KEN |
| GBRNH | Rainhill | SHN |
| GBRAK | Rake | WSX |
| GBRMB | Ramsbottom | BUR |
| GBRML | Ramsdell | HAM |
| GBRDQ | Ramsden Heath | ESS |
| GBPIT | Prittlewell | ESS |
| GBPRD | Prudhoe | NBL |
| GBPCR | Puckeridge | HRT |
| GBZCS | Pucklechurch | SGC |
| GBPDN | Puddletown | DOR |
| GBPDY | Pudsey | LDS |
| GBPUL | Pulborough | WSX |
| GBPLX | Pulloxhill | CBF |
| GBPFT | Purfleet | ESS |
| GBPUR | Purley | WND |
| GBPUN | Purtington | SOM |
| GBPRO | Purton | WIL |
| GBPTY | Putney | WND |
| GBPTN | Puttenham | SRY |
| GBPWL | Pwllheli | GWN |
| GBPYB | Pye Bridge | DBY |
| GBPYL | Pyle | BGE |
| GBPYR | Pyrford | SRY |
| GBQTN | Quainton | BKM |
| GBQDL | Quedgeley | GLS |
| GBPYG | Poyntington | DOR |
| GBPOY | Poynton | CHE |
| GBRES | Prees | SHR |
| GBPSA | Preesall | LAN |
| GBPNO | Prenton | WRL |
| GBPBM | Prenton/birkenhead | WRL |
| GBPCT | Prescot | KWL |
| GBPRS | Prestatyn | DEN |
| GBZCR | Prestbury | CHE |
| GBPSG | Presteigne | POW |
| GBPSO | Preston | KEN |
| GBPRE | Preston | LAN |
| GBPRB | Preston Brook | CHE |
| GBXPB | Preston Brook | HAL |