| Code | Name | Region |
|---|---|---|
| GBRYL | Reynoldston | SWA |
| GBRYA | Rhayader | POW |
| GBRHG | Rhigos | RCT |
| GBRHI | Rhilochan | HLD |
| GBRHO | Rhondda | RCT |
| GBRS8 | Rhoose | VGL |
| GBRAN | Rayne | ESS |
| GBRDN | Reading | RDG |
| GBRAR | Rearsby | LEC |
| GBREA | Reay | HLD |
| GBRED | Red Bay | ANT |
| GBRLO | Red Lodge | SFK |
| GBRBN | Redbourn | HRT |
| GBRDB | Redbourn | LIN |
| GBRBU | Redbourne | NLN |
| GBRBG | Redbridge/london | HAM |
| GBRER | Redcar | RCC |
| GBREB | Redcliff Bay | NSM |
| GBRDI | Redding | FAL |
| GBRDS | Reddish | SKP |
| GBRDD | Redditch | WOR |
| GBRDF | Redford | ANS |
| GBRGV | Redgrave | SFK |
| GBRH9 | Redhill | NSM |
| GBREH | Redhill | SRY |
| GBRMY | Redmarley D'abitot | GLS |
| GBRSY | Ramsey | CAM |
| GBRMD | Ramsey Mereside | CAM |
| GBRMG | Ramsgate | KEN |
| GBRDT | Randalstown | ANT |
| GBRNS | Ranskill | NTT |
| GBRAP | Rapness, Westray | ORK |
| GBRSA | Rassau | BGW |
| GBRAT | Rathfriland | NYM |
| GBRLS | Rattlesden | SFK |
| GBRUD | Raunds | NTH |
| GBRVD | Ravenfield | ROT |
| GBRGL | Ravenglass | CMA |
| GBRVH | Ravensthorpe | ERY |
| GBRAV | Ravensthorpe Dewsbury | KIR |
| GBRBD | Rawcliffe Bridge | ERY |
| GBRDW | Rawdon | YOR |
| GBRAM | Rawmarsh | ROT |
| GBRWR | Rawreth | ESS |
| GBRAW | Rawtenstall | LAN |
| GBRLH | Rayleigh | ESS |
| GBQUB | Queenborough | KEN |
| GBQFR | Queensferry | FLN |
| GBQBG | Queniborough | LEC |
| GBQGO | Quenington | GLS |