Postcodes in Carmarthenshire page 69 Unitary Authority

  1. All administrative areas

This page provides postcode data for the Carmarthenshire UK Unitary Authority.

In 2021, Carmarthenshire contained approximately 81,800 households with a population of about 187,900

In 2011, Carmarthenshire contained approximately 78,837 households with a population of about 183,797

Website: https://www.carmarthenshire.gov.wales/

Wards in this Unitary Authority
Abergwili ,   Ammanford ,   Betws ,   Bigyn ,   Burry Port ,   Bynea ,   Carmarthen Town North and South ,   Carmarthen Town West ,   Cenarth and Llangeler ,   Cilycwm ,   Cwarter Bach ,   Cynwyl Elfed ,   Dafen and Felinfoel ,   Elli ,   Garnant ,   Glanamman ,   Glanymor ,   Glyn ,   Gorslas ,   Hendy ,   Hengoed ,   Kidwelly and St Ishmael ,   Laugharne Township ,   Llanboidy ,   Llanddarog ,   Llandeilo ,   Llandovery ,   Llandybie ,   Llanegwad ,   Llanfihangel Aberbythych ,   Llanfihangel-ar-Arth ,   Llangadog ,   Llangennech ,   Llangunnor ,   Llangyndeyrn ,   Llannon ,   Llanybydder ,   Lliedi ,   Llwynhendy ,   Manordeilo and Salem ,   Pembrey ,   Penygroes ,   Pontyberem ,   Saron ,   St Clears and Llansteffan ,   Swiss Valley ,   Trelech ,   Trimsaran ,   Tycroes ,   Tyisha ,   Whitland
Parishes in this Unitary Authority
Abergwili ,   Abernant ,   Ammanford ,   Betws ,   Bronwydd ,   Carmarthen ,   Cenarth ,   Cilycwm ,   Cilymaenllwyd ,   Cwmamman ,   Cyngor Bro Dyffryn Cennen ,   Cynwyl Elfed ,   Cynwyl Gaeo ,   Eglwyscummin ,   Gorslas ,   Henllanfallteg ,   Kidwelly ,   Laugharne Township ,   Llanarthney ,   Llanboidy ,   Llanddarog ,   Llanddeusant ,   Llanddowror ,   Llandeilo ,   Llandovery ,   Llandybie ,   Llandyfaelog ,   Llanedi ,   Llanegwad ,   Llanelli ,   Llanelli Rural ,   Llanfair-ar-y-bryn ,   Llanfihangel Aberbythych ,   Llanfihangel Rhos-y-Corn ,   Llanfihangel-ar-Arth ,   Llanfynydd ,   Llangadog ,   Llangain ,   Llangathen ,   Llangeler ,   Llangennech ,   Llangunnor ,   Llangyndeyrn ,   Llangynin ,   Llangynog ,   Llanllawddog ,   Llanllwni ,   Llannon ,   Llanpumsaint ,   Llansadwrn ,   Llansawel ,   Llansteffan ,   Llanwinio ,   Llanwrda ,   Llanybydder ,   Llanycrwys ,   Manordeilo and Salem ,   Meidrim ,   Myddfai ,   Newcastle Emlyn ,   Newchurch and Merthyr ,   Pembrey and Burry Port Town ,   Pencarreg ,   Pendine ,   Pontyberem ,   Quarter Bach ,   St. Clears ,   St. Ishmael ,   Talley ,   Trelech ,   Trimsaran ,   Whitland
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
SA33 5NL Trelech 51.847789 -4.445962 231618 219406 SN316194
SA33 5NN Trelech 51.847814 -4.454705 231016 219429 SN310194
SA33 5NP Trelech 51.839343 -4.454244 231016 218486 SN310184
SA33 5NQ Trelech 51.845384 -4.443538 231776 219133 SN317191
SA33 5NR St Clears and Llansteffan 51.83252 -4.46145 230494 217744 SN304177
SA33 5NS St Clears and Llansteffan 51.831932 -4.442171 231820 217634 SN318176
SA33 5NT St Clears and Llansteffan 51.834303 -4.437581 232145 217887 SN321178
SA33 5NW Trelech 51.844295 -4.460844 230580 219052 SN305190
SA33 5NX Trelech 51.860019 -4.458942 230770 220796 SN307207
SA33 5NY Trelech 51.855369 -4.466241 230250 220296 SN302202
SA33 5NZ Trelech 51.853611 -4.437144 232247 220033 SN322200
SA33 5PA Trelech 51.8622 -4.475402 229645 221077 SN296210
SA33 5PB Trelech 51.867706 -4.465884 230321 221667 SN303216
SA33 5PD Trelech 51.882192 -4.46813 230221 223283 SN302232
SA33 5PE Trelech 51.886388 -4.458813 230878 223728 SN308237
SA33 5PG Trelech 51.886155 -4.477213 229611 223745 SN296237
SA33 5PH Trelech 51.882173 -4.490784 228662 223334 SN286233
SA33 5PJ Trelech 51.872884 -4.488178 228806 222295 SN288222
SA33 5PL Trelech 51.894501 -4.486989 228970 224696 SN289246
SA33 5PN Trelech 51.902367 -4.481608 229370 225558 SN293255
SA33 5PP Trelech 51.901339 -4.480476 229444 225441 SN294254
SA33 5PQ Trelech 51.891748 -4.490034 228750 224397 SN287243
SA33 5PR Trelech 51.905298 -4.47011 230172 225857 SN301258
SA33 5PS Trelech 51.892945 -4.47167 230018 224487 SN300244
SA33 5PT Trelech 51.885786 -4.47167 229991 223691 SN299236
SA33 5PU Trelech 51.87645 -4.451964 231312 222607 SN313226
SA33 5PW Trelech 51.905826 -4.474922 229843 225927 SN298259
SA33 5PX Trelech 51.883655 -4.446297 231729 223395 SN317233
SA33 5PY Trelech 51.873549 -4.453506 231195 222288 SN311222
SA33 5QA Trelech 51.865508 -4.45272 231219 221392 SN312213
SA33 5QE Trelech 51.859587 -4.485469 228942 220810 SN289208
SA33 5QF Trelech 51.859849 -4.487531 228801 220844 SN288208
SA33 5QG Trelech 51.859944 -4.485184 228963 220849 SN289208
SA33 5QH Trelech 51.870017 -4.490228 228654 221981 SN286219
SA33 5QJ Trelech 51.862853 -4.481568 229223 221164 SN292211
SA33 5QL Trelech 51.860028 -4.48375 229062 220855 SN290208
SA33 5QN Trelech 51.859968 -4.478896 229396 220837 SN293208
SA33 5QP Trelech 51.860486 -4.480377 229296 220898 SN292208
SA33 5QQ Trelech 51.861251 -4.48543 228951 220995 SN289209
SA33 5QR Trelech 51.861095 -4.478784 229408 220962 SN294209
SA33 5QS Trelech 51.867075 -4.473215 229814 221614 SN298216
SA33 5QT Trelech 51.853017 -4.486123 228872 220081 SN288200
SA33 5QU Trelech 51.8588 -4.494154 228341 220743 SN283207
SA33 5QW Trelech 51.860812 -4.484927 228984 220945 SN289209
SA33 5QX Trelech 51.860685 -4.509553 227288 220989 SN272209
SA33 5QY Trelech 51.870248 -4.506889 227508 222046 SN275220
SA33 5QZ Trelech 51.863818 -4.514434 226964 221349 SN269213
SA33 5RG Trelech 51.895621 -4.397526 235129 224614 SN351246
SA33 5RH Trelech 51.898851 -4.408877 234360 224999 SN343249
SA33 5RJ Trelech 51.90059 -4.410511 234254 225196 SN342251
SA33 5RL Trelech 51.889239 -4.39784 235084 223905 SN350239
SA33 5RN Trelech 51.882497 -4.401652 234797 223164 SN347231
SA33 5RP Trelech 51.874973 -4.416898 233720 222362 SN337223
SA33 5RR Trelech 51.882415 -4.412706 234036 223180 SN340231
SA33 5RS Trelech 51.882142 -4.429024 232912 223187 SN329231
SA33 5RW Trelech 51.873322 -4.407047 234392 222156 SN343221
SA33 5WZ Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YA Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YB Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YD Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YE Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YF Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YG Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YH Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YL Llangunnor 51.850859 -4.305565 241298 219432 SN412194
SA33 5YN Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YP Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YR Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YS Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YT Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YU Llangunnor 51.850859 -4.305594 241296 219432 SN412194
SA33 5YW Llangunnor 51.850859 -4.305565 241298 219432 SN412194
SA33 6AA Trelech 51.874072 -4.350397 238294 222112 SN382221
SA33 6AB Trelech 51.87837 -4.357624 237812 222606 SN378226
SA33 6AD Trelech 51.88545 -4.357951 237815 223394 SN378233
SA33 6AE Trelech 51.890865 -4.363263 237469 224008 SN374240
SA33 6AF Trelech 51.893644 -4.351113 238315 224290 SN383242
SA33 6AG Trelech 51.86687 -4.364228 237316 221342 SN373213
SA33 6AH Trelech 51.873303 -4.383713 235998 222101 SN359221
SA33 6AJ Trelech 51.872172 -4.367992 237076 221940 SN370219
SA33 6AL Trelech 51.870061 -4.366109 237198 221701 SN371217
SA33 6AN Cynwyl Elfed 51.916688 -4.360344 237763 226873 SN377268
SA33 6AQ Trelech 51.87055 -4.377117 236442 221780 SN364217
SA33 6AR Cynwyl Elfed 51.907954 -4.34241 238965 225862 SN389258
SA33 6AS Cynwyl Elfed 51.943532 -4.368345 237310 229876 SN373298
SA33 6AT Cynwyl Elfed 51.978622 -4.37503 236978 233793 SN369337
SA33 6AU Cenarth and Llangeler 51.986409 -4.403887 235026 234724 SN350347
SA33 6AW Trelech 51.874204 -4.38318 236038 222200 SN360222
SA33 6AX Cenarth and Llangeler 51.980898 -4.403782 235012 234111 SN350341
SA33 6BA Cynwyl Elfed 51.900375 -4.297197 242049 224920 SN420249
SA33 6BB Cynwyl Elfed 51.883337 -4.302069 241653 223036 SN416230
SA33 6BD Cynwyl Elfed 51.89549 -4.30003 241836 224383 SN418243
SA33 6BE Cynwyl Elfed 51.900394 -4.298521 241958 224925 SN419249
SA33 6BG Cynwyl Elfed 51.910737 -4.291067 242507 226059 SN425260
SA33 6BH Abergwili 51.91357 -4.281774 243156 226354 SN431263
SA33 6BJ Cynwyl Elfed 51.920214 -4.286023 242887 227102 SN428271
SA33 6BL Abergwili 51.920032 -4.273157 243771 227054 SN437270
SA33 6BN Cynwyl Elfed 51.917971 -4.300102 241911 226883 SN419268
SA33 6BP Cynwyl Elfed 51.932981 -4.304143 241686 228561 SN416285
SA33 6BQ Cynwyl Elfed 51.943327 -4.307162 241515 229718 SN415297
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license




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