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

Website: https://www.gwynedd.llyw.cymru/

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 9BA Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BB Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BD Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BE Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BF Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BG Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BH Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BJ Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BL Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BN Peblig 53.140304 -4.248171 249718 362712 SH497627
LL55 9BP Peblig 53.140294 -4.248185 249717 362711 SH497627
LL55 9BQ Peblig 53.140304 -4.248171 249718 362712 SH497627
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 53.187172 -4.205433 252737 367836 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
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