Postcodes in Carmarthenshire page 35 Unitary Authority

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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

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
SA18 2NT Ammanford 51.790271 -3.986598 263082 212047 SN630120
SA18 2NU Saron 51.796208 -3.999245 262228 212731 SN622127
SA18 2NW Ammanford 51.795977 -3.985805 263154 212680 SN631126
SA18 2NX Llandybie 51.842528 -4.004476 262009 217892 SN620178
SA18 2NY Llandybie 51.810607 -4.000187 262207 214334 SN622143
SA18 2NZ Llandybie 51.844473 -4.005913 261916 218111 SN619181
SA18 2PA Betws 51.788074 -3.96916 264278 211770 SN642117
SA18 2PB Betws 51.786645 -3.966401 264464 211606 SN644116
SA18 2PD Betws 51.785258 -3.969777 264227 211458 SN642114
SA18 2PE Betws 51.783872 -3.963903 264628 211293 SN646112
SA18 2PF Betws 51.78346 -3.955751 265189 211232 SN651112
SA18 2PG Betws 51.784053 -3.967622 264372 211320 SN643113
SA18 2PH Betws 51.781402 -3.968608 264296 211027 SN642110
SA18 2PJ Ammanford 51.794811 -3.988799 262944 212556 SN629125
SA18 2PL Betws 51.775646 -3.964357 264572 210379 SN645103
SA18 2PN Betws 51.777664 -3.952253 265413 210581 SN654105
SA18 2PP Betws 51.780675 -3.976565 263745 210961 SN637109
SA18 2PQ Llandybie 51.834918 -4.000393 262267 217038 SN622170
SA18 2PR Betws 51.777723 -3.978277 263618 210636 SN636106
SA18 2PS Betws 51.779561 -3.983417 263269 210850 SN632108
SA18 2PT Betws 51.781179 -3.986126 263087 211035 SN630110
SA18 2PU Betws 51.781416 -3.98647 263064 211062 SN630110
SA18 2PW Betws 51.788547 -3.938528 266392 211766 SN663117
SA18 2PX Ammanford 51.796717 -3.988274 262986 212767 SN629127
SA18 2PY Betws 51.782833 -3.986156 263090 211219 SN630112
SA18 2PZ Betws 51.78912 -3.972715 264036 211893 SN640118
SA18 2QA Ammanford 51.794109 -3.968538 264339 212440 SN643124
SA18 2QB Saron 51.797587 -4.00167 262065 212889 SN620128
SA18 2QD Betws 51.789625 -3.970475 264192 211945 SN641119
SA18 2QE Saron 51.798495 -4.001681 262067 212990 SN620129
SA18 2RA Betws 51.782347 -3.984597 263196 211162 SN631111
SA18 2RB Betws 51.779842 -3.985444 263130 210885 SN631108
SA18 2RD Betws 51.775768 -3.988136 262932 210437 SN629104
SA18 2RE Betws 51.775703 -3.992989 262597 210439 SN625104
SA18 2RF Betws 51.774811 -3.993631 262550 210341 SN625103
SA18 2RW Betws 51.768742 -3.982971 263267 209646 SN632096
SA18 2SG Betws 51.774953 -3.978301 263608 210328 SN636103
SA18 2SH Betws 51.774753 -3.972552 264004 210295 SN640102
SA18 2SL Betws 51.770655 -3.980968 263411 209855 SN634098
SA18 2SN Betws 51.76619 -3.977511 263636 209352 SN636093
SA18 2SP Betws 51.780772 -3.983571 263262 210985 SN632109
SA18 2SR Llandybie 51.812065 -3.997437 262401 214491 SN624144
SA18 2SS Llandybie 51.811349 -3.998305 262339 214413 SN623144
SA18 2ST Llandybie 51.809742 -3.997639 262380 214233 SN623142
SA18 2SU Llandybie 51.811627 -3.999405 262264 214446 SN622144
SA18 2SW Betws 51.769691 -3.96391 264585 209716 SN645097
SA18 2SX Llandybie 51.810889 -3.997298 262407 214360 SN624143
SA18 2SY Llandybie 51.813184 -3.999343 262273 214619 SN622146
SA18 2TA Llandybie 51.813108 -3.995858 262513 214604 SN625146
SA18 2TB Llandybie 51.811729 -3.981159 263522 214423 SN635144
SA18 2TD Llandybie 51.818 -3.975601 263924 215110 SN639151
SA18 2TE Llandybie 51.824187 -3.970793 264274 215789 SN642157
SA18 2TF Llandybie 51.826889 -3.968908 264412 216086 SN644160
SA18 2TG Llandybie 51.817561 -3.992544 262755 215093 SN627150
SA18 2TH Llandybie 51.823167 -4.003471 262019 215737 SN620157
SA18 2TJ Llandybie 51.812785 -3.996337 262479 214569 SN624145
SA18 2TL Llandybie 51.822816 -4.001352 262164 215694 SN621156
SA18 2TN Llandybie 51.82408 -4.000014 262260 215832 SN622158
SA18 2TP Llandybie 51.831927 -3.988562 263073 216683 SN630166
SA18 2TQ Llandybie 51.820915 -4.003154 262034 215486 SN620154
SA18 2TR Llandybie 51.831291 -3.986778 263194 216609 SN631166
SA18 2TS Llandybie 51.84033 -3.977653 263850 217597 SN638175
SA18 2TT Llandybie 51.843737 -3.983595 263451 217987 SN634179
SA18 2TU Llandeilo 51.835935 -3.9727 264178 217099 SN641170
SA18 2TW Llandybie 51.82664 -3.996471 262512 216110 SN625161
SA18 2TY Llandeilo 51.834493 -3.961054 264976 216917 SN649169
SA18 2UA Llandeilo 51.831658 -3.954704 265405 216590 SN654165
SA18 2UB Llandeilo 51.835779 -3.945854 266027 217032 SN660170
SA18 2UD Llandybie 51.826712 -3.959598 265053 216049 SN650160
SA18 2UE Llandybie 51.818663 -3.953169 265472 215142 SN654151
SA18 2UF Llandybie 51.817507 -3.946924 265899 215002 SN658150
SA18 2UG Llandybie 51.813783 -3.957862 265134 214608 SN651146
SA18 2UH Llandybie 51.808512 -3.961173 264890 214028 SN648140
SA18 2UL Llandybie 51.803875 -3.955039 265299 213501 SN652135
SA18 2UN Llandybie 51.808862 -3.966585 264518 214077 SN645140
SA18 2UP Llandybie 51.806931 -3.979338 263633 213886 SN636138
SA18 2UR Llandybie 51.804246 -3.971591 264159 213573 SN641135
SA18 2US Llandybie 51.801761 -3.96484 264617 213284 SN646132
SA18 2UT Ammanford 51.797243 -3.977362 263740 212805 SN637128
SA18 2UU Llandybie 51.805089 -3.989905 262899 213701 SN628137
SA18 2UW Llandybie 51.806966 -3.971347 264184 213875 SN641138
SA18 2UY Llandybie 51.812602 -4.000246 262209 214556 SN622145
SA18 2WU Ammanford 51.791184 -3.985247 263178 212146 SN631121
SA18 2WW Ammanford 51.791684 -3.984413 263237 212200 SN632121
SA18 2WX Ammanford 51.791184 -3.985247 263178 212146 SN631121
SA18 2WY Ammanford 51.791184 -3.985247 263178 212146 SN631121
SA18 2WZ Ammanford 51.791684 -3.984413 263237 212200 SN632121
SA18 2XT Ammanford 51.798915 -3.973635 264002 212984 SN640129
SA18 2XU Ammanford 51.798791 -3.973558 264007 212970 SN640129
SA18 2XY Llandybie 51.812105 -4.000369 262199 214501 SN621145
SA18 2XZ Ammanford 51.7987 -3.973597 264004 212960 SN640129
SA18 2YA Glanamman 51.807002 -3.929064 267099 213801 SN670138
SA18 2YB Glanamman 51.807151 -3.928765 267120 213817 SN671138
SA18 2YD Ammanford 51.791684 -3.984413 263237 212200 SN632121
SA18 2YE Glanamman 51.808557 -3.926374 267289 213969 SN672139
SA18 2YF Glanamman 51.810202 -3.927489 267217 214154 SN672141
SA18 2YG Glanamman 51.815896 -3.924641 267430 214782 SN674147
SA18 2YH Glanamman 51.81117 -3.928255 267167 214263 SN671142
SA18 2YJ Glanamman 51.81237 -3.930744 266999 214401 SN669144
SA18 2YL Glanamman 51.812604 -3.929608 267078 214425 SN670144
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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