| BA1 |
BATH |
Bath north of the Avon, Batheaston, Bathford, Swainswick |
Bath and North East Somerset, South Gloucestershire |
| BA2 |
BATH |
Bath south of the Avon, Farmborough, Timsbury, Peasedown St John, Wellow, Hinton Charterhouse, Norton St Philip, Freshford, Limpley Stoke |
Bath and North East Somerset, Somerset, Wiltshire |
| BA3 |
RADSTOCK |
Radstock, Midsomer Norton, Holcombe, Coleford |
Bath and North East Somerset, Somerset |
| BA4 |
SHEPTON MALLET |
Shepton Mallet, Evercreech |
Somerset |
| BA5 |
WELLS |
Wells, Wookey, Westbury-sub-Mendip |
Somerset |
| BA6 |
GLASTONBURY |
Glastonbury, Baltonsborough, Meare, Westhay |
Somerset |
| BA7 |
CASTLE CARY |
Castle Cary, Ansford, Alford, Lovington |
Somerset |
| BA8 |
TEMPLECOMBE |
Templecombe, Henstridge, Horsington |
Somerset |
| BA9 |
BRUTON |
|
non-geographic[3][4] |
| BA9 |
WINCANTON |
Wincanton, Penselwood, Cucklington, Holton, Yarlington |
Somerset |
| BA10 |
BRUTON |
Bruton, Pitcombe, Redlynch, Brewham |
Somerset |
| BA11 |
FROME |
Frome, Beckington |
Somerset |
| BA12 |
WARMINSTER |
Warminster, Mere, Corsley, Zeals, Kilmington |
Wiltshire |
| BA13 |
WESTBURY |
Westbury, Chapmanslade |
Wiltshire |
| BA14 |
TROWBRIDGE |
Trowbridge |
Wiltshire |
| BA15 |
BRADFORD-ON-AVON |
Bradford-on-Avon, Winsley, Westwood, Monkton Farleigh, South Wraxall |
Wiltshire |
| BA16 |
STREET |
Street, Walton |
Somerset |
| BA20 |
YEOVIL |
Yeovil (centre and south) |
Somerset |
| BA21 |
YEOVIL |
Yeovil (north), Mudford |
Somerset, Dorset |
| BA22 |
YEOVIL |
Yeovil (west), East Coker, West Coker, Ilchester, Sparkford, Marston Magna, Halstock, Stoford, Clifton Maybank |
Somerset, Dorset |