SA1 — 11 codes dans 147 localités (Royaume-Uni).
| Code postal | Localité / Quartier | Zone administrative | Coordonnées |
|---|---|---|---|
| Bon-y-maen | Swansea · Wales | 51.634, -3.9485 | |
| Landore | Swansea · Wales | 51.644, -3.9414 | |
| Pentre-chwyth | Swansea · Wales | 51.634, -3.9485 | |
| Swansea | Swansea · Wales | 51.6208, -3.9432 | |
| Cwmbwrla | Swansea · Wales | 51.6371, -3.9608 | |
| Onllwyn | Neath Port Talbot · Wales | 51.7793, -3.6779 | |
| Skewen | Neath Port Talbot · Wales | 51.6603, -3.8499 | |
| Seven Sisters | Neath Port Talbot · Wales | 51.7667, -3.7167 | |
| Rhydding | Neath Port Talbot · Wales | 51.6896, -3.6714 | |
| Dyffryn Cellwen | Neath Port Talbot · Wales | 51.6896, -3.6714 | |
| Crynant | Neath Port Talbot · Wales | 51.7289, -3.7481 | |
| Coelbren | Powys · Wales | 51.7918, -3.6701 | |
| Cilfrew | Neath Port Talbot · Wales | 51.6896, -3.6714 | |
| Cadoxton | Neath Port Talbot · Wales | 51.6878, -3.8003 | |
| Bryn-Coch | Neath Port Talbot · Wales | 51.6896, -3.6714 | |
| Aberdulais | Neath Port Talbot · Wales | 51.6832, -3.7755 | |
| Neath | Neath Port Talbot · Wales | 51.6632, -3.8044 | |
| Tonna | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Resolven | Neath Port Talbot · Wales | 51.7119, -3.6974 | |
| Pont Walby | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Pont Nedd Fechan | Powys · Wales | 51.7575, -3.5883 | |
| Pentreclwydau | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Glyn-Neath | Neath Port Talbot · Wales | 51.7475, -3.6183 | |
| Morfa Glas | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Melincourt | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Aber-pergwm | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Cwmgwrach | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Briton Ferry | Neath Port Talbot · Wales | 51.6311, -3.819 | |
| Blaengwrach | Neath Port Talbot · Wales | 51.7369, -3.6391 | |
| Melincryddan | Neath Port Talbot · Wales | 51.708, -3.6944 | |
| Port Talbot | Neath Port Talbot · Wales | 51.5924, -3.7802 | |
| Pwll-y-glaw | Neath Port Talbot · Wales | 51.6118, -3.7703 | |
| Baglan | Neath Port Talbot · Wales | 51.6205, -3.8063 | |
| Pont-rhyd-y-fen | Neath Port Talbot · Wales | 51.6344, -3.7447 | |
| Cwmafan | Neath Port Talbot · Wales | 51.6, -3.75 | |
| Aberavon | Neath Port Talbot · Wales | 51.6118, -3.7703 | |
| Duffryn | Neath Port Talbot · Wales | 51.6436, -3.6739 | |
| Taibach | Neath Port Talbot · Wales | 51.5833, -3.7667 | |
| Margam | Neath Port Talbot · Wales | 51.5731, -3.7574 | |
| Glyncorrwg | Neath Port Talbot · Wales | 51.6794, -3.6281 | |
| Abergwynfi | Neath Port Talbot · Wales | 51.6536, -3.6026 | |
| Cymmer | Neath Port Talbot · Wales | 51.6486, -3.6536 | |
| Bryn | Neath Port Talbot · Wales | 51.6164, -3.7117 | |
| Blaengwynfi | Neath Port Talbot · Wales | 51.6562, -3.6037 | |
| Croeserw | Neath Port Talbot · Wales | 51.6447, -3.6403 | |
| Heol-ddu | Carmarthenshire · Wales | 51.7569, -4.0662 | |
| Tumble | Carmarthenshire · Wales | 51.7836, -4.1097 | |
| Penygroes | Carmarthenshire · Wales | 51.7569, -4.0662 | |
| Penrhiwgoch | Carmarthenshire · Wales | 51.7569, -4.0662 | |
| Maesybont | Carmarthenshire · Wales | 51.8297, -4.0822 | |
| Llwynhendy | Carmarthenshire · Wales | 51.7569, -4.0662 | |
| Llangennech | Carmarthenshire · Wales | 51.6962, -4.0839 | |
| Llannon | Carmarthenshire · Wales | 51.7552, -4.1175 | |
| Gorslas | Carmarthenshire · Wales | 51.804, -4.0753 | |
| Drefach | Carmarthenshire · Wales | 51.7964, -4.1342 | |
| Dafen | Carmarthenshire · Wales | 51.7569, -4.0662 | |
| Cross Hands | Carmarthenshire · Wales | 51.7931, -4.0875 | |
| Cefneithin | Carmarthenshire · Wales | 51.8039, -4.0976 | |
| Carmel | Carmarthenshire · Wales | 51.8286, -4.0511 | |
| Bynea | Carmarthenshire · Wales | 51.674, -4.1033 | |
| Bryn | Carmarthenshire · Wales | 51.7337, -4.1071 | |
| Felinfoel | Carmarthenshire · Wales | 51.7014, -4.1408 | |
| Pont-Henri | Carmarthenshire · Wales | 51.7611, -4.2078 | |
| Pwll | Carmarthenshire · Wales | 51.6892, -4.2036 | |
| Pontyberem | Carmarthenshire · Wales | 51.7783, -4.1689 | |
| Pontyates | Carmarthenshire · Wales | 51.7518, -4.2172 | |
| Bancffosfelen | Carmarthenshire · Wales | 51.7867, -4.1931 | |
| Llanelli | Carmarthenshire · Wales | 51.6819, -4.1619 | |
| Horeb | Carmarthenshire · Wales | 51.74, -4.1872 | |
| Five Roads | Carmarthenshire · Wales | 51.7264, -4.1886 | |
| Cynheidre | Carmarthenshire · Wales | 51.7436, -4.1875 | |
| Sylen | Carmarthenshire · Wales | 51.7413, -4.1567 | |
| Pembrey | Carmarthenshire · Wales | 51.6875, -4.2762 | |
| Dyfatty | Carmarthenshire · Wales | 51.6859, -4.2616 | |
| Burry Port | Carmarthenshire · Wales | 51.6844, -4.2469 | |
| Llandyry | Carmarthenshire · Wales | 51.7211, -4.269 | |
| Waun y Clyn | Carmarthenshire · Wales | 51.7619, -4.2892 | |
| Trimsaran | Carmarthenshire · Wales | 51.7199, -4.2417 | |
| St Ishmael | Carmarthenshire · Wales | 51.7619, -4.2892 | |
| Pontantwn | Carmarthenshire · Wales | 51.7934, -4.2603 | |
| Llansaint | Carmarthenshire · Wales | 51.7478, -4.341 | |
| Llangendeirne | Carmarthenshire · Wales | 51.8038, -4.2392 | |
| Meinciau | Carmarthenshire · Wales | 51.7731, -4.2317 | |
| Llandefaelog | Carmarthenshire · Wales | 51.7822, -4.298 | |
| Four Roads | Carmarthenshire · Wales | 51.7619, -4.2892 | |
| Ferryside | Carmarthenshire · Wales | 51.7678, -4.369 | |
| Crwbin | Carmarthenshire · Wales | 51.7961, -4.2164 | |
| Cliff | Carmarthenshire · Wales | 51.7619, -4.2892 | |
| Carway | Carmarthenshire · Wales | 51.7367, -4.2283 | |
| Broadway | Carmarthenshire · Wales | 51.7571, -4.2867 | |
| Kidwelly | Carmarthenshire · Wales | 51.7364, -4.3033 | |
| Broadlay | Carmarthenshire · Wales | 51.7619, -4.2892 | |
| Pantyffynnon | Carmarthenshire · Wales | 51.7804, -3.9482 | |
| Llandybie | Carmarthenshire · Wales | 51.8204, -4.0071 | |
| Lower Brynamman | Neath Port Talbot · Wales | 51.7804, -3.9482 | |
| Tycroes | Carmarthenshire · Wales | 51.7781, -4.02 | |
| Pentre Gwenlais | Carmarthenshire · Wales | 51.8266, -4.0196 | |
| Pontamman | Carmarthenshire · Wales | 51.7804, -3.9482 | |
| Saron | Carmarthenshire · Wales | 51.7919, -4.0283 | |
| Gwaun-Cae-Gurwen | Neath Port Talbot · Wales | 51.7804, -3.9482 | |
| Gwaun-leision | Neath Port Talbot · Wales | 51.7804, -3.9482 | |
| Tir-y-dail | Carmarthenshire · Wales | 51.7804, -3.9482 | |
| Glanaman | Carmarthenshire · Wales | 51.7804, -3.9482 | |
| Brynamman | Carmarthenshire · Wales | 51.8, -3.8667 | |
| Garnswllt | Swansea · Wales | 51.7804, -3.9482 | |
| Ammanford | Carmarthenshire · Wales | 51.7928, -3.9883 | |
| Blaengweche | Carmarthenshire · Wales | 51.7804, -3.9482 | |
| Betws | Carmarthenshire · Wales | 51.7977, -3.9605 | |
| Capel Hendre | Carmarthenshire · Wales | 51.7828, -4.0419 | |
| Cwmgors | Neath Port Talbot · Wales | 51.7804, -3.9482 | |
| Derwydd | Carmarthenshire · Wales | 51.8411, -4.0157 | |
| Garnant | Carmarthenshire · Wales | 51.8015, -3.9056 | |
| Pont Aber | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Llanycrwys | Carmarthenshire · Wales | 52.0893, -3.9796 | |
| Llwyn-y-brain | Carmarthenshire · Wales | 51.9533, -3.9489 | |
| Maerdy | Carmarthenshire · Wales | 51.9533, -3.9489 | |
| Manordeilo | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Pen-y-banc | Carmarthenshire · Wales | 51.8958, -4.0128 | |
| Pentrefelin | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Salem | Carmarthenshire · Wales | 51.9167, -4.0011 | |
| Porthyrhyd | Carmarthenshire · Wales | 51.9533, -3.9489 | |
| Pumsaint | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Rhosmaen | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Rhydcymerau | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Llansawel | Carmarthenshire · Wales | 52.0, -4.0167 | |
| Talley | Carmarthenshire · Wales | 51.9756, -3.9874 | |
| Trap | Carmarthenshire · Wales | 51.9533, -3.9489 | |
| Twynllanan | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Llanwrda | Carmarthenshire · Wales | 51.9679, -3.8748 | |
| Llanddeusant | Carmarthenshire · Wales | 51.9, -3.7833 | |
| Llansadwrn | Carmarthenshire · Wales | 51.95, -3.9 | |
| Cwmdu | Carmarthenshire · Wales | 51.9533, -3.9489 | |
| Aber Bowlan | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Bethlehem | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Caeo | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Capel Gwynfe | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Capel Isaac | Carmarthenshire · Wales | 51.9214, -4.0594 | |
| Crugybar | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Dyffryn Ceidrych | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Llangadog | Carmarthenshire · Wales | 51.9381, -3.8829 | |
| Edwinsford | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Felindre | Carmarthenshire · Wales | 51.9533, -3.9489 | |
| Ffairfach | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Ffarmers | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Halfway | Carmarthenshire · Wales | 51.9533, -3.9489 | |
| Llandeilo | Carmarthenshire · Wales | 51.8846, -3.9915 | |
| Llandre | Carmarthenshire · Wales | 51.8949, -3.9502 | |
| Waunclynda | Carmarthenshire · Wales | 51.8949, -3.9502 |