| Code | Name |
|---|---|
| ESBLG | Ballinluig |
| NIBT | Ballycastle |
| NIBC | Ballyclare |
| NIBGL | Ballygally |
| NIBGY | Ballygawley |
| NIBN | Ballygowan |
| NIBKR | Ballykinler |
| NIBM | Ballymena |
| NIBO | Ballymoney |
| NIBNH | Ballynahinch |
| NIBRN | Ballyronan |
| NIBWR | Ballywalter |
| NIBW | Ballyward |
| NSBMC | Balmacara |
| WSBAA | Balmaha |
| NSBMD | Balmedie |
| WSBAM | Balmore |
| ESBLO | Balmullo |
| NSBTS | Baltasound |
| SSBAL | Baltonsborough |
| WSBAV | Balvicar |
| LCBAB | Bamber Bridge |
| NEBU | Bamburgh |
| WWBAMP | Bampton |
| LCBAM | Bampton (Penrith) |
| SMBNC | Bampton Castle |
| NIBB | Banbridge |
| SMBB | Banbury |
| NSBCY | Banchory |
| SWQKL | Bancyfelin |
| NSBNF | Banff |
| WNBG | Bangor |
| NIBA | Bangor Ni |
| WNBOD | Bangor-On-Dee |
| ESBAF | Bankfoot |
| ESBAK | Banknock |
| ESBAN | Bannockburn |
| SSBAN | Banwell |
| LCBBN | Barbon |
| WSBAB | Barbreck |
| SDBRCMB | Barcombe |
| SLBAR | Bardney |
| NEBML | Bardon Mill |
| LCBAD | Bardsea |
| CMBARF | Barford |
| SWQJA | Bargoed |
| WSBAG | Bargrennan |
| LNBKG | Barking |
| MYBKA | Barkston Ash |
| EABKW | Barkway |
