| District | Post Town | Coverage | Postcodes |
|---|---|---|---|
| BA1 | Bath | Bath | 1,560 |
| BA2 | Bath | Bath | 2,199 |
| BA3 | Radstock | Radstock, Midsomer Norton, Holcombe, Coleford | 1,266 |
| BA4 | Shepton Mallet | Shepton Mallet | 833 |
| BA5 | Wells | Wells | 785 |
| BA6 | Glastonbury | Glastonbury | 552 |
| BA7 | Castle Cary | Castle Cary | 202 |
| BA8 | Templecombe | Templecombe | 212 |
| BA9 | Wincanton, Bruton | Wincanton | 374 |
| BA10 | Bruton | Bruton | 179 |
| BA11 | Frome | Frome | 1,164 |
| BA12 | Warminster | Warminster | 1,137 |
| BA13 | Westbury | Westbury | 638 |
| BA14 | Trowbridge | Trowbridge | 1,470 |
| BA15 | Bradford-on-Avon | Bradford-on-Avon | 474 |
| BA16 | Street | Street | 375 |
| BA20 | Yeovil | Yeovil | 498 |
| BA21 | Yeovil | Yeovil | 772 |
| BA22 | Yeovil | Yeovil | 800 |