Postcodes in Isle of Anglesey page 33 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 8WB Canolbarth Môn 53.259364 -4.305371 246319 376076 SH463760
LL77 8YJ Canolbarth Môn 53.272304 -4.296904 246930 377497 SH469774
LL77 8YQ Canolbarth Môn 53.266342 -4.300693 246656 376842 SH466768
LL77 8YX Canolbarth Môn 53.260563 -4.305705 246301 376210 SH463762
LL77 9AA Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AB Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AD Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AE Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AF Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AG Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AH Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AJ Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AL Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AN Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AP Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AQ Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AR Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AS Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AT Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AU Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AW Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AX Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AY Cefni 53.253767 -4.308428 246095 375460 SH460754
LL77 9AZ Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BA Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BB Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BD Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BE Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BF Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BG Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BH Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BJ Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BL Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BN Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BP Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BQ Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BR Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BS Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BT Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BU Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BW Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BX Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BY Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9BZ Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9DA Cefni 53.253784 -4.308434 246095 375462 SH460754
LL77 9ZY Cefni 53.253028 -4.309872 245996 375381 SH459753
LL77 9ZZ Cefni 53.253028 -4.309872 245996 375381 SH459753
LL78 7JF Lligwy 53.326034 -4.290735 247533 383460 SH475834
LL78 7JG Lligwy 53.324153 -4.259745 249590 383185 SH495831
LL78 7JH Lligwy 53.312429 -4.27063 248824 381904 SH488819
LL78 7JJ Canolbarth Môn 53.306558 -4.274921 248517 381260 SH485812
LL78 7JL Canolbarth Môn 53.302946 -4.281819 248045 380873 SH480808
LL78 7JQ Lligwy 53.321844 -4.261581 249460 382932 SH494829
LL78 8AD Lligwy 53.316891 -4.258676 249636 382375 SH496823
LL78 8JF Lligwy 53.319059 -4.259541 249586 382618 SH495826
LL78 8JG Lligwy 53.317221 -4.263552 249312 382422 SH493824
LL78 8JH Lligwy 53.318723 -4.26114 249478 382584 SH494825
LL78 8JJ Lligwy 53.319333 -4.260262 249539 382650 SH495826
LL78 8JL Lligwy 53.31915 -4.262829 249367 382635 SH493826
LL78 8JN Lligwy 53.320365 -4.261316 249472 382767 SH494827
LL78 8JP Lligwy 53.320057 -4.259549 249589 382729 SH495827
LL78 8JQ Lligwy 53.318435 -4.260238 249537 382550 SH495825
LL78 8JR Lligwy 53.320037 -4.258227 249677 382724 SH496827
LL78 8JS Lligwy 53.32162 -4.252494 250064 382888 SH500828
LL78 8JT Lligwy 53.324412 -4.254599 249934 383203 SH499832
LL78 8JW Lligwy 53.31979 -4.260866 249500 382702 SH494827
LL78 8JY Lligwy 53.316164 -4.257647 249702 382292 SH497822
LL78 8JZ Lligwy 53.311066 -4.251973 250062 381713 SH500817
LL78 8QA Lligwy 53.311389 -4.265276 249177 381777 SH491817
LL78 8ZA Lligwy 53.311372 -4.265269 249177 381775 SH491817
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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