Postcodes in Isle of Anglesey page 14 Unitary Authority

  1. All administrative areas

This page provides postcode data for the Isle of Anglesey UK Unitary Authority.

In 2021, Isle of Anglesey contained approximately 30,800 households with a population of about 68,900

In 2011, Isle of Anglesey contained approximately 30,594 households with a population of about 69,751

Wards in this Unitary Authority
Aethwy ,   Bodowyr ,   Bro Aberffraw ,   Bro'r Llynnoedd ,   Canolbarth Môn ,   Cefni ,   Crigyll ,   Lligwy ,   Parc a'r Mynydd ,   Seiriol ,   Talybolion ,   Tref Cybi ,   Twrcelyn ,   Ynys Gybi
Parishes in this Unitary Authority
Aberffraw ,   Amlwch ,   Beaumaris ,   Bodedern ,   Bodffordd ,   Bodorgan ,   Bryngwran ,   Cwm Cadnant ,   Cylch-y-Garn ,   Holyhead ,   Llanbadrig ,   Llanddaniel Fab ,   Llanddona ,   Llanddyfnan ,   Llaneilian ,   Llaneugrad ,   Llanfachraeth ,   Llanfaelog ,   Llanfaethlu ,   Llanfair Pwllgwyngyll ,   Llanfair-Mathafarn-Eithaf ,   Llanfair-yn-Neubwll ,   Llanfihangel Ysgeifiog ,   Llangefni ,   Llangoed ,   Llangristiolus ,   Llanidan ,   Llannerch-y-medd ,   Mechell ,   Menai Bridge ,   Moelfre ,   Penmynydd ,   Pentraeth ,   Rhoscolyn ,   Rhosybol ,   Rhosyr ,   Trearddur ,   Tref Alaw ,   Trewalchmai ,   Valley
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
LL65 1ST Ynys Gybi 53.306589 -4.639751 224213 382100 SH242820
LL65 1SU Ynys Gybi 53.306557 -4.637988 224330 382092 SH243820
LL65 1SW Tref Cybi 53.30755 -4.636999 224400 382200 SH243822
LL65 1SY Ynys Gybi 53.30727 -4.638258 224315 382172 SH243821
LL65 1TA Tref Cybi 53.307069 -4.637585 224359 382148 SH243821
LL65 1TB Tref Cybi 53.307613 -4.637408 224373 382208 SH243822
LL65 1TD Ynys Gybi 53.307816 -4.638381 224309 382233 SH243822
LL65 1TE Ynys Gybi 53.308358 -4.63866 224293 382294 SH242822
LL65 1TF Ynys Gybi 53.307764 -4.639504 224234 382230 SH242822
LL65 1TG Ynys Gybi 53.308963 -4.639763 224222 382364 SH242823
LL65 1TH Ynys Gybi 53.309512 -4.640978 224143 382428 SH241824
LL65 1TL Ynys Gybi 53.310108 -4.637972 224346 382487 SH243824
LL65 1TN Ynys Gybi 53.309506 -4.639196 224262 382423 SH242824
LL65 1TP Tref Cybi 53.307322 -4.635473 224501 382171 SH245821
LL65 1TR Tref Cybi 53.308294 -4.635053 224533 382278 SH245822
LL65 1TS Tref Cybi 53.307433 -4.636181 224454 382185 SH244821
LL65 1TT Tref Cybi 53.307164 -4.63657 224427 382156 SH244821
LL65 1TU Tref Cybi 53.306869 -4.636856 224407 382124 SH244821
LL65 1TW Ynys Gybi 53.308414 -4.638553 224300 382300 SH243822
LL65 1TY Tref Cybi 53.308239 -4.63547 224505 382273 SH245822
LL65 1TZ Tref Cybi 53.307754 -4.635875 224476 382220 SH244822
LL65 1UB Tref Cybi 53.31172 -4.631791 224764 382651 SH247826
LL65 1UD Tref Cybi 53.309552 -4.633013 224674 382413 SH246824
LL65 1UE Tref Cybi 53.311241 -4.632723 224700 382600 SH246826
LL65 1UF Tref Cybi 53.310937 -4.632644 224704 382566 SH247825
LL65 1UG Tref Cybi 53.309786 -4.633038 224673 382439 SH246824
LL65 1UH Tref Cybi 53.309574 -4.63328 224656 382416 SH246824
LL65 1UL Tref Cybi 53.310643 -4.632915 224685 382534 SH246825
LL65 1UN Tref Cybi 53.310046 -4.633505 224643 382469 SH246824
LL65 1UP Tref Cybi 53.309412 -4.634111 224600 382400 SH246824
LL65 1UR Tref Cybi 53.308607 -4.633116 224663 382308 SH246823
LL65 1UT Tref Cybi 53.308676 -4.63324 224655 382316 SH246823
LL65 1UU Tref Cybi 53.31031 -4.634167 224600 382500 SH245825
LL65 1UW Tref Cybi 53.309224 -4.633248 224657 382377 SH246823
LL65 1UY Tref Cybi 53.31031 -4.634167 224600 382500 SH245825
LL65 1WY Tref Cybi 53.311993 -4.632844 224695 382684 SH246826
LL65 1YA Parc a'r Mynydd 53.318297 -4.642151 224101 383408 SH241834
LL65 1YB Parc a'r Mynydd 53.316747 -4.633767 224653 383215 SH246832
LL65 1YD Parc a'r Mynydd 53.316786 -4.637298 224418 383228 SH244832
LL65 1YE Parc a'r Mynydd 53.317763 -4.647179 223764 383361 SH237833
LL65 1YF Parc a'r Mynydd 53.316597 -4.645049 223901 383226 SH239832
LL65 1YG Parc a'r Mynydd 53.316368 -4.664169 222627 383248 SH226832
LL65 1YH Ynys Gybi 53.303971 -4.686903 221061 381926 SH210819
LL65 1YL Ynys Gybi 53.306454 -4.669631 222222 382159 SH222821
LL65 1YN Parc a'r Mynydd 53.310783 -4.659432 222919 382615 SH229826
LL65 1YP Parc a'r Mynydd 53.312616 -4.662699 222709 382827 SH227828
LL65 1YR Parc a'r Mynydd 53.311867 -4.663223 222671 382745 SH226827
LL65 1YS Parc a'r Mynydd 53.314404 -4.656704 223116 383011 SH231830
LL65 1YT Ynys Gybi 53.307572 -4.659447 222905 382258 SH229822
LL65 1YU Parc a'r Mynydd 53.309932 -4.659259 222927 382520 SH229825
LL65 1YW Parc a'r Mynydd 53.312872 -4.662505 222723 382855 SH227828
LL65 1ZA Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 1ZB Parc a'r Mynydd 53.311339 -4.63968 224237 382628 SH242826
LL65 1ZE Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 1ZF Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 1ZG Parc a'r Mynydd 53.311339 -4.63968 224237 382628 SH242826
LL65 1ZH Parc a'r Mynydd 53.311339 -4.63968 224237 382628 SH242826
LL65 1ZJ Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 1ZL Parc a'r Mynydd 53.311339 -4.63968 224237 382628 SH242826
LL65 1ZN Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 1ZP Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 1ZQ Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 1ZR Tref Cybi 53.300043 -4.618615 225594 381320 SH255813
LL65 2AA Ynys Gybi 53.306124 -4.638832 224272 382046 SH242820
LL65 2AB Ynys Gybi 53.305527 -4.639806 224205 381982 SH242819
LL65 2AD Ynys Gybi 53.305569 -4.638348 224302 381983 SH243819
LL65 2AE Tref Cybi 53.308468 -4.634924 224542 382297 SH245822
LL65 2AF Tref Cybi 53.307526 -4.634405 224573 382191 SH245821
LL65 2AG Ynys Gybi 53.306465 -4.636437 224433 382078 SH244820
LL65 2AH Ynys Gybi 53.305655 -4.637302 224372 381990 SH243819
LL65 2AJ Ynys Gybi 53.26945 -4.622863 225186 377928 SH251779
LL65 2AL Ynys Gybi 53.306468 -4.635896 224469 382077 SH244820
LL65 2AN Ynys Gybi 53.305607 -4.635408 224498 381980 SH244819
LL65 2AP Ynys Gybi 53.304345 -4.635515 224486 381840 SH244818
LL65 2AQ Ynys Gybi 53.272294 -4.619093 225449 378235 SH254782
LL65 2AR Ynys Gybi 53.304757 -4.636831 224400 381889 SH243818
LL65 2AS Ynys Gybi 53.306799 -4.633545 224627 382108 SH246821
LL65 2AT Tref Cybi 53.306994 -4.634878 224539 382133 SH245821
LL65 2AU Tref Cybi 53.307256 -4.634819 224544 382162 SH245821
LL65 2AW Ynys Gybi 53.305495 -4.636377 224433 381970 SH244819
LL65 2AX Ynys Gybi 53.26888 -4.618949 225445 377855 SH254778
LL65 2AY Ynys Gybi 53.306432 -4.635099 224522 382071 SH245820
LL65 2AZ Ynys Gybi 53.272948 -4.609773 226073 378285 SH260782
LL65 2BA Ynys Gybi 53.306417 -4.634122 224587 382067 SH245820
LL65 2BB Tref Cybi 53.30724 -4.634338 224576 382159 SH245821
LL65 2BD Ynys Gybi 53.306534 -4.633739 224613 382079 SH246820
LL65 2BE Ynys Gybi 53.306121 -4.633688 224615 382033 SH246820
LL65 2BF Ynys Gybi 53.305999 -4.637568 224356 382029 SH243820
LL65 2BG Ynys Gybi 53.305921 -4.634982 224528 382014 SH245820
LL65 2BH Ynys Gybi 53.306191 -4.634578 224556 382043 SH245820
LL65 2BJ Ynys Gybi 53.274621 -4.605995 226332 378462 SH263784
LL65 2BL Ynys Gybi 53.305514 -4.633511 224624 381965 SH246819
LL65 2BN Ynys Gybi 53.305065 -4.635104 224516 381919 SH245819
LL65 2BP Ynys Gybi 53.305769 -4.639066 224255 382007 SH242820
LL65 2BQ Ynys Gybi 53.274804 -4.610006 226065 378492 SH260784
LL65 2BS Tref Cybi 53.306756 -4.628949 224933 382092 SH249820
LL65 2BT Tref Cybi 53.308504 -4.631668 224759 382293 SH247822
LL65 2BU Tref Cybi 53.307196 -4.629386 224906 382142 SH249821
LL65 2BW Ynys Gybi 53.305819 -4.633515 224625 381999 SH246819
LL65 2BX Ynys Gybi 53.274109 -4.607614 226222 378409 SH262784
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license




© 2025 Chris Bell [ Email ] [ Bluesky ] [ Strava ] [ Privacy ]