SA - Swansea
The postal area SA (Swansea) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within SA - Swansea
| Country | Post Town | Postal District |
| Wales | Swansea | SA1 SA2 SA3 SA4 SA5 SA6 SA7 SA8 SA9 |
| Neath | SA10 SA11 |
|
| Port Talbot | SA12 SA13 |
|
| Llanelli | SA14 SA15 |
|
| Burry Port | SA16 | |
| Kidwelly | SA17 | |
| Ammanford | SA18 | |
| Llanwrda | SA19 | |
| Llandeilo | SA19 | |
| Llandovery | SA20 | |
| Carmarthen | SA31 SA32 SA33 |
|
| Whitland | SA34 | |
| Llanfyrgoch | SA35 | |
| Gloyne | SA36 | |
| Boncath | SA37 | |
| Newcastle Emlyn | SA38 | |
| Pencader | SA39 | |
| Llanybydder | SA40 | |
| Crymych | SA41 | |
| Newport | SA42 | |
| Cardigan | SA43 | |
| Llandysul | SA44 | |
| New Quay | SA45 | |
| Aberaeron | SA46 | |
| Llanarth | SA47 | |
| Lampeter | SA48 | |
| Haverfordwest | SA61 SA62 |
|
| Clarbeston Road | SA63 | |
| Goodwick | SA64 | |
| Ferryside Fishguard |
SA65 | |
| Clynderwen | SA66 | |
| Narberth | SA67 | |
| Kilgetty | SA68 | |
| Saundersfoot | SA69 | |
| Tenby | SA70 | |
| Pembroke | SA71 | |
| Pembroke Dock | SA72 | |
| Milford Haven | SA73 |
