Postcodes in Isle of Anglesey page 31 Unitary Authority

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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
LL77 7JE Canolbarth Môn 53.260488 -4.326189 244935 376246 SH449762
LL77 7JF Canolbarth Môn 53.261203 -4.322729 245168 376318 SH451763
LL77 7JG Canolbarth Môn 53.260804 -4.323382 245123 376275 SH451762
LL77 7JH Cefni 53.253702 -4.30756 246153 375451 SH461754
LL77 7JR Cefni 53.245314 -4.340769 243907 374590 SH439745
LL77 7JS Canolbarth Môn 53.262964 -4.363941 242426 376604 SH424766
LL77 7JU Canolbarth Môn 53.260966 -4.32474 245033 376296 SH450762
LL77 7LA Canolbarth Môn 53.255926 -4.298139 246789 375678 SH467756
LL77 7LB Canolbarth Môn 53.256735 -4.299517 246700 375771 SH467757
LL77 7LD Canolbarth Môn 53.257761 -4.298538 246769 375883 SH467758
LL77 7LE Canolbarth Môn 53.259068 -4.299747 246693 376031 SH466760
LL77 7LF Canolbarth Môn 53.258682 -4.297828 246820 375984 SH468759
LL77 7LG Canolbarth Môn 53.259059 -4.299257 246726 376029 SH467760
LL77 7LH Canolbarth Môn 53.259091 -4.298549 246773 376031 SH467760
LL77 7LJ Canolbarth Môn 53.266255 -4.361188 242622 376964 SH426769
LL77 7LL Canolbarth Môn 53.258004 -4.299915 246678 375913 SH466759
LL77 7LN Canolbarth Môn 53.25584 -4.299769 246680 375672 SH466756
LL77 7LP Canolbarth Môn 53.259165 -4.295155 247000 376032 SH469760
LL77 7LQ Canolbarth Môn 53.265061 -4.358838 242774 376826 SH427768
LL77 7LR Cefni 53.255638 -4.311168 245919 375674 SH459756
LL77 7LS Canolbarth Môn 53.256764 -4.311513 245900 375800 SH459758
LL77 7LT Canolbarth Môn 53.255947 -4.311909 245871 375710 SH458757
LL77 7LU Cefni 53.255675 -4.311564 245893 375679 SH458756
LL77 7LX Canolbarth Môn 53.263929 -4.375081 241687 376736 SH416767
LL77 7LY Cefni 53.244318 -4.343832 243699 374486 SH436744
LL77 7LZ Canolbarth Môn 53.26473 -4.360559 242658 376793 SH426767
LL77 7NA Cefni 53.255898 -4.313466 245767 375708 SH457757
LL77 7NB Canolbarth Môn 53.256024 -4.312543 245829 375720 SH458757
LL77 7ND Canolbarth Môn 53.256423 -4.314703 245686 375769 SH456757
LL77 7NE Cefni 53.256609 -4.315763 245616 375792 SH456757
LL77 7NF Cefni 53.256993 -4.319127 245393 375842 SH453758
LL77 7NG Cefni 53.25609 -4.320263 245314 375744 SH453757
LL77 7NH Canolbarth Môn 53.257254 -4.318172 245458 375869 SH454758
LL77 7NJ Canolbarth Môn 53.274163 -4.309983 246065 377732 SH460777
LL77 7NL Canolbarth Môn 53.257623 -4.319091 245398 375912 SH453759
LL77 7NN Canolbarth Môn 53.25833 -4.322543 245170 375998 SH451759
LL77 7NP Canolbarth Môn 53.259919 -4.324953 245015 376180 SH450761
LL77 7NQ Canolbarth Môn 53.276404 -4.313143 245862 377988 SH458779
LL77 7NR Canolbarth Môn 53.259442 -4.323128 245135 376123 SH451761
LL77 7NS Canolbarth Môn 53.259411 -4.324251 245060 376122 SH450761
LL77 7NT Canolbarth Môn 53.260401 -4.323245 245131 376230 SH451762
LL77 7NU Cefni 53.254978 -4.317354 245504 375614 SH455756
LL77 7NW Canolbarth Môn 53.258778 -4.324441 245045 376052 SH450760
LL77 7NX Canolbarth Môn 53.275861 -4.308704 246156 377918 SH461779
LL77 7NY Cefni 53.254745 -4.314078 245722 375581 SH457755
LL77 7NZ Canolbarth Môn 53.272961 -4.306603 246286 377591 SH462775
LL77 7PA Cefni 53.254691 -4.315005 245660 375577 SH456755
LL77 7PB Cefni 53.254948 -4.315658 245617 375607 SH456756
LL77 7PD Cefni 53.253965 -4.313956 245727 375494 SH457754
LL77 7PE Cefni 53.254547 -4.316401 245566 375564 SH455755
LL77 7PF Canolbarth Môn 53.257057 -4.316327 245580 375843 SH455758
LL77 7PG Cefni 53.257226 -4.321523 245234 375873 SH452758
LL77 7PH Canolbarth Môn 53.255907 -4.310253 245981 375702 SH459757
LL77 7PJ Canolbarth Môn 53.264861 -4.34844 243467 376781 SH434767
LL77 7PL Canolbarth Môn 53.255742 -4.308564 246093 375680 SH460756
LL77 7PN Canolbarth Môn 53.255676 -4.308276 246112 375672 SH461756
LL77 7PP Canolbarth Môn 53.256102 -4.305276 246314 375713 SH463757
LL77 7PQ Canolbarth Môn 53.266117 -4.335802 244314 376893 SH443768
LL77 7PR Canolbarth Môn 53.256451 -4.305829 246278 375753 SH462757
LL77 7PS Canolbarth Môn 53.25605 -4.307522 246164 375712 SH461757
LL77 7PT Canolbarth Môn 53.256654 -4.308344 246111 375781 SH461757
LL77 7PU Canolbarth Môn 53.256835 -4.306899 246208 375798 SH462757
LL77 7PW Canolbarth Môn 53.25578 -4.306098 246258 375679 SH462756
LL77 7PX Canolbarth Môn 53.279028 -4.345842 243692 378351 SH436783
LL77 7PY Canolbarth Môn 53.259592 -4.307093 246205 376105 SH462761
LL77 7PZ Canolbarth Môn 53.284643 -4.361552 242665 379010 SH426790
LL77 7QA Cefni 53.254142 -4.316409 245564 375519 SH455755
LL77 7QD Canolbarth Môn 53.258376 -4.319207 245393 375996 SH453759
LL77 7QE Canolbarth Môn 53.259187 -4.32145 245246 376091 SH452760
LL77 7QF Canolbarth Môn 53.257082 -4.308097 246129 375828 SH461758
LL77 7QG Cefni 53.249316 -4.324603 245000 375000 SH449749
LL77 7QH Cefni 53.249316 -4.324603 245000 375000 SH449749
LL77 7QQ Cefni 53.249316 -4.324603 245000 375000 SH449749
LL77 7QX Cefni 53.256152 -4.318002 245465 375746 SH454757
LL77 7QY Cefni 53.256622 -4.317443 245504 375797 SH455757
LL77 7QZ Cefni 53.257837 -4.321512 245237 375941 SH452759
LL77 7RA Canolbarth Môn 53.259704 -4.308268 246127 376120 SH461761
LL77 7RB Canolbarth Môn 53.259112 -4.308176 246131 376054 SH461760
LL77 7RD Canolbarth Môn 53.258398 -4.305594 246301 375969 SH463759
LL77 7RE Canolbarth Môn 53.257822 -4.306098 246265 375906 SH462759
LL77 7RF Canolbarth Môn 53.257813 -4.302859 246481 375898 SH464758
LL77 7RG Canolbarth Môn 53.2571 -4.301536 246567 375816 SH465758
LL77 7RH Canolbarth Môn 53.255478 -4.301734 246548 375636 SH465756
LL77 7RJ Canolbarth Môn 53.279893 -4.310347 246061 378370 SH460783
LL77 7RL Canolbarth Môn 53.256665 -4.301762 246550 375768 SH465757
LL77 7RN Canolbarth Môn 53.25592 -4.303062 246461 375688 SH464756
LL77 7RP Canolbarth Môn 53.26127 -4.300741 246635 376278 SH466762
LL77 7RQ Canolbarth Môn 53.279258 -4.318013 245548 378316 SH455783
LL77 7RR Canolbarth Môn 53.255229 -4.303475 246431 375612 SH464756
LL77 7RS Canolbarth Môn 53.25693 -4.300607 246628 375795 SH466757
LL77 7RT Cefni 53.254616 -4.309583 246021 375557 SH460755
LL77 7RU Canolbarth Môn 53.257749 -4.307068 246200 375900 SH462758
LL77 7RW Canolbarth Môn 53.255914 -4.302457 246501 375686 SH465756
LL77 7RX Canolbarth Môn 53.278716 -4.316778 245628 378253 SH456782
LL77 7RY Canolbarth Môn 53.263108 -4.294931 247029 376470 SH470764
LL77 7RZ Canolbarth Môn 53.27569 -4.318894 245476 377921 SH454779
LL77 7SA Canolbarth Môn 53.268852 -4.290315 247357 377099 SH473770
LL77 7SB Canolbarth Môn 53.264615 -4.284345 247740 376615 SH477766
LL77 7SD Canolbarth Môn 53.259666 -4.28597 247614 376068 SH476760
LL77 7SE Cefni 53.24869 -4.292925 247111 374862 SH471748
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




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