| Locality | Post Code |
|---|---|
| Berwick Bassett | SN4 |
| Berwick Saint James | SP3 |
| Berwick Saint John | SP7 |
| Berwick Saint Leonard | SP3 |
| Biddesden | SP11 |
| Biddestone | SN14 |
| Bishop's Cannings | SN10 |
| Bishopdown | SP1 |
| Bishopstone | SP5 |
| Bishopstrow | BA12 |
| Blackland | SN11 |
| Blicks Hill | SN16 9HZ |
| Bodenham | SP5 |
| Boreham | BA12 9HL, SN8 4LX |
| Boscombe | SP4 |
| Boscombe Down | SP4 |
| Bottlesford | SN9 |
| Bottlesford Corner | SN9 6LJ |
| Bourton | SN10 |
| Bowerchalke | SP5 |
| Bowerhill | SN12 |
| Bowood | SN11 |
| Box | SN13 |
| Box Hill | SN13 |
| Boyton | BA12 |
| Bradenstoke | SN15 |