SN - Swindon
The postal area SN (Swindon) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within SN - Swindon
| Country | Post Town | Postal District |
| England | Swindon | SN1 SN2 SN3 SN4 SN5 SN6 |
| Faringdon | SN7 | |
| Marlborough | SN8 | |
| Pewsey Tidworth |
SN9 | |
| Devizes | SN10 | |
| Calne | SN11 | |
| Melksham | SN12 | |
| Corsham | SN13 | |
| Chippenham | SN14 SN15 |
|
| Malmesbury | SN16 | |
| Swindon | SN25 |
