Postcodes in Carmarthenshire page 58 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
SA31 3FJ Carmarthen Town West 51.856626 -4.341819 238822 220153 SN388201
SA31 3GA Carmarthen Town North and South 51.84987 -4.337882 239069 219393 SN390193
SA31 3GB Carmarthen Town West 51.86026 -4.321355 240244 220512 SN402205
SA31 3GH Carmarthen Town West 51.860943 -4.324135 240055 220594 SN400205
SA31 3GL Carmarthen Town West 51.861185 -4.322332 240180 220617 SN401206
SA31 3GR Carmarthen Town West 51.860604 -4.322621 240158 220553 SN401205
SA31 3GU Carmarthen Town West 51.861412 -4.322227 240188 220642 SN401206
SA31 3HA Carmarthen Town West 51.859079 -4.331504 239541 220403 SN395204
SA31 3HB Carmarthen Town West 51.857231 -4.332628 239457 220200 SN394201
SA31 3HD Carmarthen Town West 51.85101 -4.337999 239065 219520 SN390195
SA31 3HE Carmarthen Town West 51.854828 -4.330471 239597 219928 SN395199
SA31 3HF Carmarthen Town West 51.854354 -4.329895 239635 219874 SN396198
SA31 3HG Carmarthen Town West 51.854133 -4.326514 239867 219842 SN398198
SA31 3HH Carmarthen Town West 51.853333 -4.326487 239866 219753 SN398197
SA31 3HJ Carmarthen Town North and South 51.85292 -4.326495 239864 219707 SN398197
SA31 3HL Carmarthen Town North and South 51.852668 -4.327397 239801 219681 SN398196
SA31 3HN Carmarthen Town West 51.851808 -4.334918 239280 219602 SN392196
SA31 3HP Carmarthen Town North and South 51.850555 -4.332849 239418 219458 SN394194
SA31 3HQ Carmarthen Town West 51.854791 -4.327811 239780 219918 SN397199
SA31 3HR Carmarthen Town North and South 51.851116 -4.330395 239589 219515 SN395195
SA31 3HS Carmarthen Town North and South 51.850898 -4.32915 239674 219488 SN396194
SA31 3HT Carmarthen Town North and South 51.851467 -4.328119 239747 219549 SN397195
SA31 3HU Carmarthen Town North and South 51.851717 -4.32684 239836 219574 SN398195
SA31 3HW Carmarthen Town North and South 51.851154 -4.332096 239472 219523 SN394195
SA31 3HX Carmarthen Town West 51.853178 -4.329776 239639 219743 SN396197
SA31 3HY Carmarthen Town West 51.856684 -4.328025 239772 220129 SN397201
SA31 3HZ Carmarthen Town North and South 51.848138 -4.332724 239418 219189 SN394191
SA31 3JA Carmarthen Town North and South 51.851554 -4.330055 239614 219563 SN396195
SA31 3JB Carmarthen Town North and South 51.851569 -4.325685 239915 219555 SN399195
SA31 3JD Carmarthen Town West 51.858578 -4.314079 240739 220309 SN407203
SA31 3JE Carmarthen Town West 51.858611 -4.31469 240697 220314 SN406203
SA31 3JF Carmarthen Town North and South 51.852223 -4.329436 239659 219636 SN396196
SA31 3JG Carmarthen Town West 51.859994 -4.318901 240412 220477 SN404204
SA31 3JH Carmarthen Town West 51.859741 -4.31761 240500 220446 SN405204
SA31 3JJ Carmarthen Town West 51.860339 -4.319166 240395 220516 SN403205
SA31 3JL Carmarthen Town West 51.85629 -4.327932 239777 220085 SN397200
SA31 3JN Carmarthen Town West 51.856163 -4.326619 239867 220068 SN398200
SA31 3JP Carmarthen Town North and South 51.854716 -4.307897 241151 219866 SN411198
SA31 3JQ Carmarthen Town West 51.859661 -4.321208 240252 220445 SN402204
SA31 3JR Carmarthen Town North and South 51.855006 -4.305487 241318 219893 SN413198
SA31 3JS Carmarthen Town North and South 51.855465 -4.306411 241256 219946 SN412199
SA31 3JT Carmarthen Town North and South 51.855482 -4.307835 241158 219951 SN411199
SA31 3JU Carmarthen Town West 51.855299 -4.329856 239641 219979 SN396199
SA31 3JW Carmarthen Town West 51.855483 -4.327368 239813 219994 SN398199
SA31 3JX Carmarthen Town North and South 51.855553 -4.307388 241189 219958 SN411199
SA31 3JY Carmarthen Town North and South 51.855015 -4.308682 241098 219901 SN410199
SA31 3JZ Carmarthen Town North and South 51.855776 -4.307501 241182 219983 SN411199
SA31 3LA Carmarthen Town North and South 51.855831 -4.307432 241187 219989 SN411199
SA31 3LB Carmarthen Town North and South 51.855015 -4.308682 241098 219901 SN410199
SA31 3LD Carmarthen Town North and South 51.855177 -4.308241 241129 219918 SN411199
SA31 3LE Carmarthen Town North and South 51.855749 -4.307936 241152 219981 SN411199
SA31 3LF Carmarthen Town North and South 51.855015 -4.308682 241098 219901 SN410199
SA31 3LG Carmarthen Town North and South 51.855914 -4.308728 241098 220001 SN410200
SA31 3LH Carmarthen Town North and South 51.855971 -4.305827 241298 220001 SN412200
SA31 3LJ Carmarthen Town North and South 51.855044 -4.307232 241198 219901 SN411199
SA31 3LL Carmarthen Town North and South 51.854918 -4.30952 241040 219892 SN410198
SA31 3LN Carmarthen Town North and South 51.854843 -4.30786 241154 219880 SN411198
SA31 3LP Carmarthen Town West 51.855088 -4.322802 240126 219940 SN401199
SA31 3LQ Carmarthen Town North and South 51.856119 -4.308332 241126 220023 SN411200
SA31 3LS Carmarthen Town West 51.85471 -4.324191 240029 219901 SN400199
SA31 3LT Carmarthen Town North and South 51.848373 -4.322659 240112 219193 SN401191
SA31 3LU Carmarthen Town North and South 51.854114 -4.323376 240083 219833 SN400198
SA31 3LW Carmarthen Town North and South 51.854807 -4.307394 241186 219875 SN411198
SA31 3LX Carmarthen Town North and South 51.853561 -4.324074 240033 219773 SN400197
SA31 3LY Carmarthen Town North and South 51.853064 -4.325559 239929 219721 SN399197
SA31 3LZ Carmarthen Town North and South 51.851243 -4.324434 240000 219516 SN400195
SA31 3NA Carmarthen Town West 51.853724 -4.325375 239944 219794 SN399197
SA31 3NB Carmarthen Town North and South 51.849365 -4.325252 239937 219309 SN399193
SA31 3ND Carmarthen Town North and South 51.849196 -4.330165 239598 219301 SN395193
SA31 3NE Carmarthen Town North and South 51.84918 -4.327319 239794 219293 SN397192
SA31 3NF Carmarthen Town North and South 51.84947 -4.323602 240051 219317 SN400193
SA31 3NG Carmarthen Town North and South 51.850132 -4.324217 240011 219392 SN400193
SA31 3NH Carmarthen Town North and South 51.846644 -4.322774 240098 219001 SN400190
SA31 3NJ Carmarthen Town North and South 51.846332 -4.324456 239981 218970 SN399189
SA31 3NL Carmarthen Town North and South 51.846309 -4.320651 240243 218959 SN402189
SA31 3NN Carmarthen Town North and South 51.84486 -4.322508 240110 218802 SN401188
SA31 3NP Carmarthen Town North and South 51.844848 -4.322681 240098 218801 SN400188
SA31 3NQ Carmarthen Town North and South 51.847248 -4.322268 240135 219067 SN401190
SA31 3NR Carmarthen Town North and South 51.846728 -4.323548 240045 219012 SN400190
SA31 3NS Carmarthen Town North and South 51.845378 -4.325903 239878 218867 SN398188
SA31 3NT Carmarthen Town North and South 51.842669 -4.321001 240206 218555 SN402185
SA31 3NU Carmarthen Town North and South 51.844685 -4.323617 240033 218785 SN400187
SA31 3NW Carmarthen Town North and South 51.842649 -4.322016 240136 218555 SN401185
SA31 3NX Carmarthen Town North and South 51.845102 -4.325758 239887 218836 SN398188
SA31 3NY Carmarthen Town North and South 51.844404 -4.325548 239899 218758 SN398187
SA31 3NZ Carmarthen Town North and South 51.844204 -4.326583 239827 218738 SN398187
SA31 3PA Carmarthen Town North and South 51.844065 -4.324064 240000 218717 SN400187
SA31 3PB Carmarthen Town North and South 51.844304 -4.32515 239926 218746 SN399187
SA31 3PD Carmarthen Town North and South 51.843604 -4.325071 239929 218668 SN399186
SA31 3PE Carmarthen Town North and South 51.843045 -4.324708 239952 218605 SN399186
SA31 3PF Carmarthen Town North and South 51.843022 -4.324039 239998 218601 SN399186
SA31 3PG Carmarthen Town North and South 51.843191 -4.32322 240055 218618 SN400186
SA31 3PH Carmarthen Town North and South 51.845743 -4.326067 239868 218908 SN398189
SA31 3PJ Carmarthen Town North and South 51.84624 -4.325947 239878 218963 SN398189
SA31 3PL Carmarthen Town North and South 51.846547 -4.325411 239916 218996 SN399189
SA31 3PN Carmarthen Town North and South 51.846025 -4.323613 240038 218934 SN400189
SA31 3PP Carmarthen Town West 51.856332 -4.323534 240080 220080 SN400200
SA31 3PQ Carmarthen Town North and South 51.842621 -4.323873 240008 218556 SN400185
SA31 3PR Carmarthen Town West 51.856233 -4.324894 239986 220072 SN399200
SA31 3PS Carmarthen Town West 51.855481 -4.323853 240055 219986 SN400199
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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