| Code | Name | Region |
|---|---|---|
| GBBY9 | Brayton | NYK |
| GBBGQ | Breage | CON |
| GBBKK | Breakish | HLD |
| GBRST | Breasclete | ELS |
| GBBBB | Breaston | DRY |
| GBBRC | Brechin | ANS |
| GBREV | Braevig | |
| GBBRI | Braintree | ESS |
| GBRWH | Braiseworth | SFK |
| GBBHF | Braishfield | HAM |
| GBMDE | Bramdean | HAM |
| GBBFH | Bramfield | HRT |
| GBBMF | Bramfield | SFK |
| GBBHL | Bramhall | SKP |
| GBBMH | Bramhope | LDS |
| GBAMY | Bramley | HAM |
| GBBML | Bramley | ROT |
| GBBMY | Bramley | ROT |
| GBBR9 | Bramley | SRY |
| GBBPO | Brampton | CAM |
| GBMPO | Brampton | CMA |
| GBRPT | Brampton | NFK |
| GBRMP | Brampton | ROT |
| GBBHJ | Bramshall | STS |
| GBBZX | Bramshill | HAM |
| GBBNE | Bran End | ESS |
| GBBZD | Braddan | |
| GBBHX | Bradenham | BKM |
| GBZAE | Bradfield | ESS |
| GBAFL | Bradfield | WBK |
| GBBRF | Bradford | BRD |
| GBBO2 | Bradford | DEV |
| GBB9D | Bradford | SOM |
| GBBOA | Bradford On Avon | WIL |
| GBDLY | Bradley | NYK |
| GBBRQ | Bradley | STS |
| GBBSK | Bradley Stoke | SGC |
| GBSDT | Bradstone | DEV |
| GBBRB | Bradwell | DBY |
| GBDWE | Bradwell | MIK |
| GBAWE | Bradwell On Sea | ESS |
| GBDWL | Bradwell Waterside | ESS |
| GBBYT | Bradworthy | DEV |
| GBBFB | Braefoot Bay | FIF |
| GBBRE | Braehead | NLK |
| GBBEQ | Braemar | ABD |
| GBBOU | Bourton-on-the-water | GLS |
| GBBVT | Bovey Tracey | |
| GBBVD | Bovingdon | DOR |
| GBBVZ | Bovington Camp | DOR |