| Code | Name | Region |
|---|---|---|
| GBQRA | Bartley | HAM |
| GBBNM | Barton | CHW |
| GBBBD | Barton Bendish | NFK |
| GBBCY | Barton In The Clay | CBF |
| GBBAZ | Barton On Sea | |
| GBBTC | Barton Stacey | HAM |
| GBBNH | Barton Upon Humber | NLN |
| GBBNO | Barton-under-needwood | STS |
| GBRWA | Barway | CAM |
| GBBRL | Barwell | LEC |
| GBBAO | Bascote | WAR |
| GBBAS | Basildon | ESS |
| GBBGK | Basingstoke | HAM |
| GBBDG | Bason Bridge | SOM |
| GBBSF | Bassingfield | NTT |
| GBBXF | Bassingham | LIN |
| GBBAR | Barnes | WND |
| GBBHS | Barnet | BNE |
| GBLNN | Barnetby Le Wold | NLN |
| GBBTB | Barnetby-le-wold | NLN |
| GBAXN | Barnham | SFK |
| GBBDB | Barnoldby Le Beck | |
| GBBAK | Barnoldswick | LAN |
| GBBGE | Barns Green | WSX |
| GBBSY | Barnsley | BNS |
| GBBND | Barnstaple | DEV |
| GBBBX | Barnstone | NTT |
| GBBRR | Barra | |
| GBBAH | Barrhead | ERW |
| GBAGT | Barrington | SOM |
| GBB4R | Barrow | SFK |
| GBBIF | Barrow In Furness | CMA |
| GBBUO | Barrow On Soar | LEC |
| GBBWU | Barrow Upon Trent | DBY |
| GBBAF | Barrowford | LAN |
| GBBHR | Barrow-upon-humber | NLN |
| GBARY | Bardney | LIN |
| GBBVY | Bardon | LEC |
| GBBHI | Bardon Hill | LEC |
| GBBDZ | Bardsea | CMA |
| GBBYA | Bardsley | OLD |
| GBBGO | Bargoed | CAY |
| GBLBK | Barking | SFK |
| GBBKG | Barking/london | ESS |
| GBBK9 | Barkisland | CLD |
| GBBK7 | Barkston | LIN |
| GBXBR | Barlaston | STS |
| GBBLZ | Barlborough | DBY |
| GBRLB | Barlby | NYK |
| GBBT3 | Barlestone | LEC |