| Code | Name | Region |
|---|---|---|
| GBBBM | Barmby Moor | ERY |
| GBBMU | Barmouth | |
| GBABW | Barmouth (abermaw) | GWN |
| GBKNB | Barnack | |
| GBANC | Barnacle | WAR |
| GBBCA | Barnard Castle | DUR |
| GBBMB | Bamberbridge | LAN |
| GBAMF | Bamford | DBY |
| GBBPD | Bampton | DEV |
| GBMPT | Bampton | OXF |
| GBBBG | Banbridge | BNB |
| GBBAB | Banbury | OXF |
| GBBNC | Banchory | ABD |
| GBBDK | Banchory - Devenick | ABD |
| GBBFF | Banff | ABD |
| GBBOF | Banff Offshore | |
| GBBAN | Bangor | DOW |
| GBBNG | Bangor | GWN |
| GBWGR | Bangor-is-y-coed | WRX |
| GBAKF | Bankfoot | PKN |
| GBBQK | Banks | LAN |
| GBBKB | Bannockburn | STG |
| GBBSA | Banstead | SRY |
| GBRHL | Bar Hill | CAM |
| GBRLG | Bar Light | |
| GBBCE | Barcaldine | AGB |
| GBBYW | Ballygawley | DGN |
| GBBGW | Ballygowan | DOW |
| GBBLG | Ballygown | AGB |
| GBZLY | Ballygrant | AGB |
| GBBHB | Ballyhalbert | DOW |
| GBBLR | Ballylumford | LRN |
| GBLMN | Ballymartin | NYM |
| GBBYM | Ballymena | BLA |
| GBBLM | Ballymoney | BLY |
| GBBLH | Ballynahinch | DOW |
| GBLYW | Ballywalter | DOW |
| GBBMC | Balmacara | HLD |
| GBMMI | Balmedie | ABD |
| GBBM9 | Balmoral | ANT |
| GBLBC | Balnabruaich | HLD |
| GBBAC | Balsall Common | SOL |
| GBBHE | Balsall Heath | BIR |
| GBBSN | Baltasound | ZET |
| GBBAW | Baltic Wharf | KEN |
| GBBVR | Balvicar | AGB |
| GBBCM | Balcombe | WSX |
| GBDSN | Balderstone | LAN |
| GBLDR | Balderton | NTT |
| GBBDX | Baldirton | CHW |