Districts in the SA area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| SA1 | Swansea | Swansea | 9 | 1,300 |
| SA2 | Swansea | Swansea | 4 | 773 |
| SA3 | Swansea | Swansea | 6 | 727 |
| SA4 | Gorseinon | Swansea | 7 | 1,150 |
| SA5 | Swansea | Swansea | 5 | 746 |
| SA6 | Swansea | Swansea | 4 | 763 |
| SA7 | Swansea | Swansea | 2 | 349 |
| SA8 | Pontardawe | Neath Port Talbot | 3 | 306 |
| SA9 | Ystradgynlais | Powys | 3 | 554 |
| SA10 | Neath | Neath Port Talbot | 4 | 777 |
| SA11 | Neath | Neath Port Talbot | 6 | 989 |
| SA12 | Port Talbot | Neath Port Talbot | 4 | 788 |
| SA13 | Port Talbot | Neath Port Talbot | 4 | 562 |
| SA14 | Llanelli | Carmarthenshire | 4 | 886 |
| SA15 | Llanelli | Carmarthenshire | 6 | 1,015 |
| SA16 | Burry Port | Carmarthenshire | 1 | 261 |
| SA17 | Kidwelly | Carmarthenshire | 2 | 429 |
| SA18 | Ammanford | Carmarthenshire | 4 | 772 |
| SA19 | Llandeilo | Carmarthenshire | 5 | 826 |
| SA20 | Llandovery | Carmarthenshire | 1 | 237 |
| SA31 | Carmarthen | Carmarthenshire | 4 | 580 |
| SA32 | Peniel | Carmarthenshire | 2 | 399 |
| SA33 | St Clears | Carmarthenshire | 3 | 642 |
| SA34 | Whitland | Carmarthenshire | 1 | 232 |
| SA35 | Tegryn | Pembrokeshire | 1 | 42 |
| SA36 | Hermon | Pembrokeshire | 1 | 11 |
| SA37 | Abercych | Pembrokeshire | 1 | 59 |
| SA38 | Newcastle Emlyn | Carmarthenshire | 1 | 189 |
| SA39 | Pencader | Carmarthenshire | 1 | 117 |
| SA40 | Llanybydder | Carmarthenshire | 1 | 107 |
| SA41 | Crymych | Pembrokeshire | 1 | 112 |
| SA42 | Newport | Pembrokeshire | 1 | 156 |
| SA43 | Cardigan | Ceredigion | 4 | 561 |
| SA44 | Llandysul | Ceredigion | 4 | 668 |
| SA45 | New Quay | Ceredigion | 1 | 94 |
| SA46 | Aberaeron | Ceredigion | 1 | 130 |
| SA47 | Llanarth | Ceredigion | 1 | 73 |
| SA48 | Lampeter | Ceredigion | 3 | 378 |
| SA61 | Haverfordwest | Pembrokeshire | 3 | 459 |
| SA62 | St Davids | Pembrokeshire | 4 | 1,007 |
| SA63 | Clarbeston Road | Pembrokeshire | 1 | 88 |
| SA64 | Goodwick | Pembrokeshire | 1 | 105 |
| SA65 | Fishguard | Pembrokeshire | 2 | 200 |
| SA66 | Llandissilio | Pembrokeshire | 1 | 164 |
| SA67 | Narberth | Pembrokeshire | 3 | 363 |
| SA68 | Kilgetty | Pembrokeshire | 1 | 154 |
| SA69 | Saundersfoot | Pembrokeshire | 1 | 157 |
| SA70 | Tenby | Pembrokeshire | 3 | 425 |
| SA71 | Pembroke | Pembrokeshire | 2 | 407 |
| SA72 | Pembroke Dock | Pembrokeshire | 3 | 306 |
| SA73 | Milford Haven | Pembrokeshire | 4 | 629 |
| SA80 | Swansea | Swansea | 1 | 6 |
| SA99 | Swansea | Swansea | 1 | 65 |
Main places in the SA area
- Swansea
- Llanelli
- Neath
- Port Talbot
- Carmarthen
- Haverfordwest
- Milford Haven
- Gorseinon
- Pembroke Dock
- Pembroke
- Ammanford
- Tenby
- Burry Port
- Cardigan
- Clydach
- Pontarddulais
- Briton Ferry
- Fishguard
- Cwmavon
- Baglan
- Pontardawe
- Ystradgynlais
- Ystalyfera
- Penllergaer
- Gowerton
- Saundersfoot
- Glyn-neath
- Narberth
- Neyland
- Loughor