Postcodes in Gwynedd page 52 Unitary Authority

This page provides postcode data for the Gwynedd UK Unitary Authority.

In 2021, Gwynedd contained approximately 51,100 households with a population of about 117,400

In 2011, Gwynedd contained approximately 52,450 households with a population of about 121,818

Parishes in this Unitary Authority
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
LL55 9BR Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BS Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BT Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BU Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BW Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BX Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BY Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BZ Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DA Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DB Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DD Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DE Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DF Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DH Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DJ Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9DL Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9ZX Canol Tref Caernarfon 53.140255 -4.277206 247776 362768 SH477627
LL55 9ZY Canol Tref Caernarfon 53.140394 -4.277482 247758 362784 SH477627
LL55 9ZZ Canol Tref Caernarfon 53.140394 -4.277482 247758 362784 SH477627
LL56 4AA Bethel a'r Felinheli 53.185765 -4.206139 252685 367681 SH526676
LL56 4AB Bethel a'r Felinheli 53.185765 -4.206139 252685 367681 SH526676
LL56 4HJ Bethel a'r Felinheli 53.183318 -4.210099 252412 367417 SH524674
LL56 4HQ Bethel a'r Felinheli 53.184 -4.21015 252411 367493 SH524674
LL56 4HX Bethel a'r Felinheli 53.183544 -4.210515 252385 367443 SH523674
LL56 4HZ Bethel a'r Felinheli 53.184419 -4.210381 252397 367540 SH523675
LL56 4JA Bethel a'r Felinheli 53.185573 -4.208734 252511 367665 SH525676
LL56 4JB Bethel a'r Felinheli 53.186398 -4.207893 252570 367755 SH525677
LL56 4JD Bethel a'r Felinheli 53.185529 -4.208178 252548 367659 SH525676
LL56 4JE Bethel a'r Felinheli 53.185464 -4.20783 252571 367651 SH525676
LL56 4JF Bethel a'r Felinheli 53.18635 -4.208549 252526 367751 SH525677
LL56 4JG Bethel a'r Felinheli 53.187964 -4.203887 252843 367921 SH528679
LL56 4JH Bethel a'r Felinheli 53.186469 -4.207463 252599 367762 SH525677
LL56 4JJ Bethel a'r Felinheli 53.186678 -4.206366 252673 367783 SH526677
LL56 4JL Bethel a'r Felinheli 53.187122 -4.205685 252720 367831 SH527678
LL56 4JN Bethel a'r Felinheli 53.187163 -4.205433 252737 367835 SH527678
LL56 4JP Bethel a'r Felinheli 53.188725 -4.201157 253028 368000 SH530679
LL56 4JQ Bethel a'r Felinheli 53.186878 -4.204295 252812 367801 SH528678
LL56 4JR Bethel a'r Felinheli 53.189524 -4.195884 253383 368078 SH533680
LL56 4JS Bethel a'r Felinheli 53.190087 -4.198487 253211 368146 SH532681
LL56 4JT Bethel a'r Felinheli 53.190593 -4.197839 253256 368201 SH532682
LL56 4JU Y Faenol 53.189873 -4.20861 252534 368143 SH525681
LL56 4JW Bethel a'r Felinheli 53.187423 -4.204473 252802 367862 SH528678
LL56 4JX Y Faenol 53.191519 -4.198381 253223 368305 SH532683
LL56 4JY Bethel a'r Felinheli 53.190415 -4.196782 253326 368179 SH533681
LL56 4JZ Bethel a'r Felinheli 53.191306 -4.194792 253462 368274 SH534682
LL56 4LY Bethel a'r Felinheli 53.177163 -4.217131 251921 366747 SH519667
LL56 4NJ Bethel a'r Felinheli 53.177052 -4.220208 251715 366741 SH517667
LL56 4NQ Bethel a'r Felinheli 53.180333 -4.214436 252112 367094 SH521670
LL56 4NX Bethel a'r Felinheli 53.174525 -4.222157 251576 366464 SH515664
LL56 4NY Bethel a'r Felinheli 53.177541 -4.218093 251858 366791 SH518667
LL56 4NZ Bethel a'r Felinheli 53.176929 -4.218615 251821 366724 SH518667
LL56 4PA Bethel a'r Felinheli 53.186789 -4.209081 252492 367801 SH524678
LL56 4PB Bethel a'r Felinheli 53.185589 -4.209827 252438 367669 SH524676
LL56 4PD Bethel a'r Felinheli 53.184986 -4.210799 252371 367604 SH523676
LL56 4PE Bethel a'r Felinheli 53.184603 -4.209627 252448 367559 SH524675
LL56 4PF Bethel a'r Felinheli 53.175112 -4.217219 251908 366519 SH519665
LL56 4PJ Bethel a'r Felinheli 53.184302 -4.209417 252461 367525 SH524675
LL56 4PX Bethel a'r Felinheli 53.184106 -4.208823 252500 367502 SH524675
LL56 4PZ Bethel a'r Felinheli 53.184518 -4.208919 252495 367548 SH524675
LL56 4QA Y Faenol 53.192482 -4.191005 253719 368397 SH537683
LL56 4QB Y Faenol 53.192066 -4.189172 253840 368347 SH538683
LL56 4QD Y Faenol 53.192908 -4.172164 254979 368406 SH549684
LL56 4QE Y Faenol 53.189521 -4.166589 255340 368018 SH553680
LL56 4QF Penisa'r-waun 53.188683 -4.176022 254707 367944 SH547679
LL56 4QG Bethel a'r Felinheli 53.186599 -4.193579 253527 367748 SH535677
LL56 4QH Bethel a'r Felinheli 53.186994 -4.198494 253200 367802 SH531678
LL56 4QJ Bethel a'r Felinheli 53.186168 -4.201849 252973 367717 SH529677
LL56 4QL Bethel a'r Felinheli 53.185524 -4.19779 253242 367637 SH532676
LL56 4QN Bethel a'r Felinheli 53.181909 -4.196841 253293 367233 SH532672
LL56 4QP Bethel a'r Felinheli 53.182123 -4.206177 252670 367276 SH526672
LL56 4QQ Bethel a'r Felinheli 53.187362 -4.197539 253265 367841 SH532678
LL56 4QR Bethel a'r Felinheli 53.18593 -4.20742 252600 367702 SH525677
LL56 4QS Bethel a'r Felinheli 53.187037 -4.200067 253095 367810 SH530678
LL56 4QT Y Faenol 53.189592 -4.209225 252492 368113 SH524681
LL56 4QU Bethel a'r Felinheli 53.185588 -4.170776 255047 367589 SH550675
LL56 4QW Bethel a'r Felinheli 53.176885 -4.205968 252666 366693 SH526666
LL56 4QX Bethel a'r Felinheli 53.188401 -4.208969 252505 367980 SH525679
LL56 4QY Bethel a'r Felinheli 53.188945 -4.206287 252686 368035 SH526680
LL56 4QZ Bethel a'r Felinheli 53.189565 -4.206783 252655 368105 SH526681
LL56 4RJ Bethel a'r Felinheli 53.180374 -4.216114 252000 367102 SH519671
LL56 4RQ Bethel a'r Felinheli 53.182816 -4.211495 252317 367364 SH523673
LL56 4RX Bethel a'r Felinheli 53.180231 -4.21705 251937 367088 SH519670
LL56 4RZ Bethel a'r Felinheli 53.180229 -4.214715 252093 367083 SH520670
LL56 4SJ Bethel a'r Felinheli 53.17863 -4.216084 251996 366908 SH519669
LL56 4SQ Bethel a'r Felinheli 53.177569 -4.218528 251829 366795 SH518667
LL56 4SX Bethel a'r Felinheli 53.179972 -4.214073 252135 367053 SH521670
LL56 4SZ Bethel a'r Felinheli 53.178375 -4.215816 252013 366879 SH520668
LL56 4TJ Bethel a'r Felinheli 53.177314 -4.215792 252011 366761 SH520667
LL56 4TQ Bethel a'r Felinheli 53.178117 -4.215639 252024 366850 SH520668
LL56 4TX Bethel a'r Felinheli 53.177679 -4.214045 252129 366798 SH521667
LL56 4TZ Bethel a'r Felinheli 53.176543 -4.215183 252049 366674 SH520666
LL56 4UJ Bethel a'r Felinheli 53.180984 -4.212314 252256 367162 SH522671
LL56 4UQ Bethel a'r Felinheli 53.175184 -4.213318 252169 366519 SH521665
LL56 4UX Bethel a'r Felinheli 53.181255 -4.211774 252293 367191 SH522671
LL56 4UZ Bethel a'r Felinheli 53.181474 -4.211127 252337 367214 SH523672
LL56 4WA Canol Bangor 53.221729 -4.138046 257354 371543 SH573715
LL56 4WB Canol Bangor 53.22162 -4.138085 257351 371531 SH573715
LL56 4WD Canol Bangor 53.221729 -4.138046 257354 371543 SH573715
LL56 4WE Canol Bangor 53.221729 -4.138046 257354 371543 SH573715
LL56 4WF Canol Bangor 53.221729 -4.138046 257354 371543 SH573715
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