| Code | Name | Region |
|---|---|---|
| GBGHO | Beighton | NFK |
| GBIGH | Beighton | YOR |
| GBBEI | Beith | NAY |
| GBBEL | Belfast | BFS |
| GBBZE | Belford | NBL |
| GBVVE | Belgrave | LCE |
| GBBEZ | Bearley | WAR |
| GBBSD | Bearsden | |
| GBBER | Bearsted | KEN |
| GBBW6 | Bearwood | POL |
| GBBLU | Beaulieu | HAM |
| GBBBL | Beauly | HLD |
| GBBMR | Beaumaris | GWN |
| GBBEW | Beaworthy | DEV |
| GBBEB | Bebington | WRL |
| GBBCC | Beccles | SFK |
| GBEKR | Beck Row | SFK |
| GBBKM | Beckenham | BRY |
| GBBEK | Beckermet | CMA |
| GBBK2 | Beckford | WOR |
| GBBHP | Beckhampton | WIL |
| GBBEC | Beckingham | LIN |
| GBBK4 | Beckington | SOM |
| GBBCT | Beckton | NWM |
| GBBDL | Bedale | NYK |
| GBBDD | Beddington | CRY |
| GBRSR | Baston | LIN |
| GBBTM | Bath | BAS |
| GBAMO | Bathampton | SOM |
| GBBTF | Bathford | BAS |
| GBBTH | Bathgate | WLN |
| GBBAY | Batley | KIR |
| GBBTT | Battersea | WND |
| GBBTE | Battle | ESX |
| GBBAT | Battlesbridge | ESS |
| GBBT9 | Baughurst | HAM |
| GBBAU | Baulking | OXF |
| GBUMR | Baumber | LIN |
| GBBWB | Bawburgh | NFK |
| GBBWT | Bawtry | DNC |
| GBCBX | Baxenden | LAN |
| GBBEA | Beaconsfield | BKM |
| GBBQX | Beadnell | NBL |
| GBJBH | Beamhurst | STS |
| GBBMN | Beaminster | DOR |
| GBEMH | Beamish | DUR |
| GBBYG | Barry | VGL |
| GBBAD | Barry Dock | VGL |
| GBBNJ | Barston | SOL |
| GBBJT | Bartestree | HEF |