SA4 — 10 codes dans 151 localités (Royaume-Uni).
| Code postal | Localité / Quartier | Zone administrative | Coordonnées |
|---|---|---|---|
| Bolgoed | Swansea · Wales | 51.6702, -4.0591 | |
| Pen-clawdd | Swansea · Wales | 51.6403, -4.0992 | |
| Crofty | Swansea · Wales | 51.6345, -4.1294 | |
| Poundffald | Swansea · Wales | 51.6702, -4.0591 | |
| Pontlliw | Swansea · Wales | 51.6914, -4.0106 | |
| Pontardulais | Swansea · Wales | 51.7142, -4.0386 | |
| Pentrebach | Swansea · Wales | 51.6702, -4.0591 | |
| Penllergaer | Swansea · Wales | 51.6715, -4.0069 | |
| Three Crosses | Swansea · Wales | 51.6287, -4.0626 | |
| Loughor | Swansea · Wales | 51.6645, -4.067 | |
| Hendy | Carmarthenshire · Wales | 51.714, -4.0532 | |
| Grovesend | Swansea · Wales | 51.6847, -4.0383 | |
| Gowerton | Swansea · Wales | 51.6471, -4.0398 | |
| Gorseinon | Swansea · Wales | 51.6693, -4.0416 | |
| Fforest | Carmarthenshire · Wales | 51.7214, -4.0544 | |
| Llanmorlais | Swansea · Wales | 51.6314, -4.1271 | |
| Gorsgoch | Ceredigion · Wales | 52.0843, -4.1755 | |
| Pencarreg | Carmarthenshire · Wales | 52.0852, -4.1392 | |
| Llanybydder | Carmarthenshire · Wales | 52.0748, -4.1576 | |
| Llanwenog | Ceredigion · Wales | 52.0866, -4.1992 | |
| Highmead | Ceredigion · Wales | 52.0843, -4.1755 | |
| Cwrt-newydd | Ceredigion · Wales | 52.1086, -4.2072 | |
| Dre-fach | Ceredigion · Wales | 52.0843, -4.1755 | |
| Cwmsychbant | Ceredigion · Wales | 52.0843, -4.1755 | |
| Alltyblaca | Ceredigion · Wales | 52.0843, -4.1755 | |
| Abergiar | Carmarthenshire · Wales | 52.0843, -4.1755 | |
| Aber | Ceredigion · Wales | 52.0843, -4.1755 | |
| Tafarn-y-bwlch | Pembrokeshire · Wales | 51.987, -4.6571 | |
| Whitechurch | Pembrokeshire · Wales | 51.9942, -4.6961 | |
| Velindre | Pembrokeshire · Wales | 51.9965, -4.7065 | |
| Trewilym | Pembrokeshire · Wales | 51.987, -4.6571 | |
| Crosswell | Pembrokeshire · Wales | 51.995, -4.7331 | |
| Pentre-galar | Pembrokeshire · Wales | 51.9492, -4.6514 | |
| Llanfair-Nant-Gwyn | Pembrokeshire · Wales | 51.987, -4.6571 | |
| Brynberian | Pembrokeshire · Wales | 51.9829, -4.7635 | |
| Crymych | Pembrokeshire · Wales | 51.9736, -4.6472 | |
| Eglwyswrw | Pembrokeshire · Wales | 52.0144, -4.7088 | |
| Bryn-henllan | Pembrokeshire · Wales | 52.0154, -4.853 | |
| Cilgwyn | Pembrokeshire · Wales | 52.0154, -4.853 | |
| Dinas | Pembrokeshire · Wales | 52.0154, -4.853 | |
| Nevern | Pembrokeshire · Wales | 52.0239, -4.8007 | |
| Newport | Pembrokeshire · Wales | 52.0167, -4.8333 | |
| Parrog | Pembrokeshire · Wales | 52.0154, -4.853 | |
| Tredrissi | Pembrokeshire · Wales | 52.0154, -4.853 | |
| Rhos Hill | Pembrokeshire · Wales | 52.03, -4.6387 | |
| Pantgwyn | Ceredigion · Wales | 52.0764, -4.6371 | |
| Parcllyn | Ceredigion · Wales | 52.0764, -4.6371 | |
| Penparc | Ceredigion · Wales | 52.0764, -4.6371 | |
| Ponthirwaun | Ceredigion · Wales | 52.0764, -4.6371 | |
| Verwig | Ceredigion · Wales | 52.1136, -4.6555 | |
| St Dogmaels | Pembrokeshire · Wales | 52.0816, -4.6849 | |
| Tan-y-groes | Ceredigion · Wales | 52.0764, -4.6371 | |
| Tremain | Ceredigion · Wales | 52.1089, -4.58 | |
| Tresaith | Ceredigion · Wales | 52.0764, -4.6371 | |
| Moylgrove | Pembrokeshire · Wales | 52.0667, -4.75 | |
| Noyadd Trefawr | Ceredigion · Wales | 52.0764, -4.6371 | |
| Blaenporth | Ceredigion · Wales | 52.11, -4.5338 | |
| Monington | Pembrokeshire · Wales | 52.0617, -4.7269 | |
| Manordeifi | Pembrokeshire · Wales | 52.0583, -4.5867 | |
| Llechryd | Ceredigion · Wales | 52.05, -4.6 | |
| Llantood | Pembrokeshire · Wales | 52.0333, -4.7 | |
| Llangoedmor | Ceredigion · Wales | 52.0764, -4.6371 | |
| Llandygwydd | Ceredigion · Wales | 52.0635, -4.5677 | |
| Gwbert | Ceredigion · Wales | 52.1166, -4.686 | |
| Glanrhyd | Pembrokeshire · Wales | 52.0764, -4.6371 | |
| Cilgerran | Pembrokeshire · Wales | 52.0551, -4.6324 | |
| Cardigan | Ceredigion · Wales | 52.0837, -4.6623 | |
| Bridell | Pembrokeshire · Wales | 52.0473, -4.66 | |
| Blaenannerch | Ceredigion · Wales | 52.0764, -4.6371 | |
| Aberporth | Ceredigion · Wales | 52.1325, -4.5417 | |
| Pontshaen | Ceredigion · Wales | 52.0281, -4.3466 | |
| Plwmp | Ceredigion · Wales | 52.0281, -4.3466 | |
| Pentregat | Ceredigion · Wales | 52.0281, -4.3466 | |
| Penbryn | Ceredigion · Wales | 52.14, -4.4904 | |
| Pentrecagal | Carmarthenshire · Wales | 52.0281, -4.3466 | |
| Pentre-cwrt | Carmarthenshire · Wales | 52.0281, -4.3466 | |
| Penrhiw-pal | Ceredigion · Wales | 52.0281, -4.3466 | |
| Penrhiw-llan | Ceredigion · Wales | 52.0281, -4.3466 | |
| Pren-gwyn | Ceredigion · Wales | 52.0735, -4.2995 | |
| Pontwelly | Carmarthenshire · Wales | 52.0281, -4.3466 | |
| Synod Inn | Ceredigion · Wales | 52.0281, -4.3466 | |
| Rhos | Carmarthenshire · Wales | 51.9931, -4.3619 | |
| Rhydlewis | Ceredigion · Wales | 52.0281, -4.3466 | |
| Rhydowen | Ceredigion · Wales | 52.0281, -4.3466 | |
| Sarnau | Ceredigion · Wales | 52.1333, -4.4667 | |
| Saron | Carmarthenshire · Wales | 52.0872, -4.3725 | |
| Talgarreg | Ceredigion · Wales | 52.0281, -4.3466 | |
| Tre-groes | Ceredigion · Wales | 52.0667, -4.3167 | |
| Wervil Brook | Ceredigion · Wales | 52.0281, -4.3466 | |
| Wstrws | Ceredigion · Wales | 52.0281, -4.3466 | |
| Maesllyn | Ceredigion · Wales | 52.0281, -4.3466 | |
| Penboyr | Carmarthenshire · Wales | 52.0, -4.4 | |
| Capel Cynon | Ceredigion · Wales | 52.1167, -4.3667 | |
| Llwyndafydd | Ceredigion · Wales | 52.0281, -4.3466 | |
| Drefach | Carmarthenshire · Wales | 52.0872, -4.3725 | |
| Aber-banc | Ceredigion · Wales | 52.0281, -4.3466 | |
| Banc-y-ffordd | Carmarthenshire · Wales | 52.0281, -4.3466 | |
| Bangor Teifi | Ceredigion · Wales | 52.039, -4.362 | |
| Brynhoffnant | Ceredigion · Wales | 52.1366, -4.4343 | |
| Bwlch-clawdd | Carmarthenshire · Wales | 52.0281, -4.3466 | |
| Capel Dewi | Ceredigion · Wales | 52.0872, -4.3725 | |
| Castell Howell | Ceredigion · Wales | 52.0281, -4.3466 | |
| Llangranog | Ceredigion · Wales | 52.1596, -4.4707 | |
| Cwmpengraig | Carmarthenshire · Wales | 52.0281, -4.3466 | |
| Croes-Ian | Ceredigion · Wales | 52.0281, -4.3466 | |
| Felindre | Carmarthenshire · Wales | 52.0, -4.4 | |
| Ffostrasol | Ceredigion · Wales | 52.0281, -4.3466 | |
| Glynarthen | Ceredigion · Wales | 52.0281, -4.3466 | |
| Glynteg | Carmarthenshire · Wales | 52.0281, -4.3466 | |
| Hawen | Ceredigion · Wales | 52.0976, -4.4144 | |
| Henllan | Carmarthenshire · Wales | 52.0333, -4.4 | |
| Horeb | Ceredigion · Wales | 52.0281, -4.3466 | |
| Llandysul | Ceredigion · Wales | 52.0417, -4.3091 | |
| Llanfair-Orllwyn | Ceredigion · Wales | 52.0281, -4.3466 | |
| Llangeler | Carmarthenshire · Wales | 52.0277, -4.3716 | |
| Cross Inn | Ceredigion · Wales | 52.2083, -4.3582 | |
| Gilfachrheda | Ceredigion · Wales | 52.2083, -4.3582 | |
| Llwyn-onn | Ceredigion · Wales | 52.2083, -4.3582 | |
| Nanternis | Ceredigion · Wales | 52.2083, -4.3582 | |
| New Quay | Ceredigion · Wales | 52.2152, -4.3589 | |
| Llwyncelyn | Ceredigion · Wales | 52.2425, -4.2587 | |
| Ffos-y-ffin | Ceredigion · Wales | 52.2425, -4.2587 | |
| Aberaeron | Ceredigion · Wales | 52.2425, -4.2587 | |
| Aberarth | Ceredigion · Wales | 52.2425, -4.2587 | |
| Llanarth | Ceredigion · Wales | 52.1833, -4.3 | |
| Oakford | Ceredigion · Wales | 52.1922, -4.2997 | |
| Lampeter | Ceredigion · Wales | 52.1128, -4.0804 | |
| Trefilan | Ceredigion · Wales | 52.1938, -4.1218 | |
| Temple Bar | Ceredigion · Wales | 52.1667, -4.15 | |
| Tal-sarn | Ceredigion · Wales | 52.1541, -4.1118 | |
| Silian | Ceredigion · Wales | 52.1408, -4.0918 | |
| Ram | Carmarthenshire · Wales | 52.1541, -4.1118 | |
| Pentrefelin | Ceredigion · Wales | 52.1541, -4.1118 | |
| Mydroilyn | Ceredigion · Wales | 52.1541, -4.1118 | |
| Llanwnen | Ceredigion · Wales | 52.1, -4.15 | |
| Llangybi | Ceredigion · Wales | 52.15, -4.05 | |
| Llanfair Clydogau | Ceredigion · Wales | 52.1424, -4.0109 | |
| Cwmann | Carmarthenshire · Wales | 52.1026, -4.0634 | |
| Gartheli | Ceredigion · Wales | 52.1833, -4.0667 | |
| Dihewyd | Ceredigion · Wales | 52.1833, -4.2167 | |
| Cribyn | Ceredigion · Wales | 52.1396, -4.162 | |
| Ciliau-Aeron | Ceredigion · Wales | 52.2, -4.2 | |
| Cilcennin | Ceredigion · Wales | 52.2194, -4.1672 | |
| Cellan | Ceredigion · Wales | 52.1231, -4.0343 | |
| Capel St Silin | Ceredigion · Wales | 52.1541, -4.1118 | |
| Caledrhydiau | Ceredigion · Wales | 52.1541, -4.1118 | |
| Bwlch-llan | Ceredigion · Wales | 52.1541, -4.1118 | |
| Brynog | Ceredigion · Wales | 52.1541, -4.1118 | |
| Bettws Bledrws | Ceredigion · Wales | 52.1541, -4.1118 | |
| Abermeurig | Ceredigion · Wales | 52.1541, -4.1118 | |
| Ystrad Aeron | Ceredigion · Wales | 52.1541, -4.1118 |