Postcodes in Gwynedd page 60 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
LL57 3LP Gerlan 53.184169 -4.059814 262456 367212 SH624672
LL57 3LQ Gerlan 53.171713 -4.056389 262645 365820 SH626658
LL57 3LT Rachub 53.1863 -4.074824 261460 367478 SH614674
LL57 3LU Rachub 53.18448 -4.071443 261680 367269 SH616672
LL57 3LW Rachub 53.192168 -4.063596 262229 368109 SH622681
LL57 3LX Arllechwedd 53.155181 -4.042706 263507 363955 SH635639
LL57 3LY Rachub 53.181573 -4.067966 261903 366939 SH619669
LL57 3LZ Tre-garth a Mynydd Llandygái 53.123302 -4.020493 264892 360367 SH648603
LL57 3NA Rachub 53.181396 -4.067793 261914 366919 SH619669
LL57 3NB Canol Bethesda 53.181533 -4.066168 262023 366931 SH620669
LL57 3ND Rachub 53.181857 -4.068728 261853 366972 SH618669
LL57 3NE Rachub 53.180917 -4.067949 261902 366866 SH619668
LL57 3NF Canol Bethesda 53.181451 -4.063096 262228 366916 SH622669
LL57 3NG Canol Bethesda 53.181802 -4.063083 262230 366955 SH622669
LL57 3NH Canol Bethesda 53.1819 -4.063656 262192 366967 SH621669
LL57 3NJ Canol Bethesda 53.181126 -4.06317 262222 366880 SH622668
LL57 3NL Canol Bethesda 53.181976 -4.064977 262104 366978 SH621669
LL57 3NN Canol Bethesda 53.184149 -4.066159 262032 367222 SH620672
LL57 3NP Rachub 53.182014 -4.067448 261939 366987 SH619669
LL57 3NQ Rachub 53.182148 -4.069056 261832 367005 SH618670
LL57 3NR Rachub 53.181762 -4.067466 261937 366959 SH619669
LL57 3NS Canol Bethesda 53.178762 -4.058462 262529 366608 SH625666
LL57 3NT Canol Bethesda 53.178118 -4.058282 262539 366536 SH625665
LL57 3NU Canol Bethesda 53.178453 -4.058672 262514 366574 SH625665
LL57 3NW Canol Bethesda 53.182938 -4.06655 262002 367088 SH620670
LL57 3NX Rachub 53.180633 -4.067262 261947 366833 SH619668
LL57 3NY Canol Bethesda 53.178473 -4.056982 262627 366573 SH626665
LL57 3PA Canol Bethesda 53.178971 -4.054701 262781 366624 SH627666
LL57 3PB Canol Bethesda 53.179831 -4.055401 262737 366721 SH627667
LL57 3PD Canol Bethesda 53.179032 -4.055826 262706 366633 SH627666
LL57 3PE Canol Bethesda 53.177772 -4.055931 262695 366493 SH626664
LL57 3PF Canol Bethesda 53.177519 -4.057056 262619 366467 SH626664
LL57 3PG Canol Bethesda 53.176816 -4.055047 262751 366385 SH627663
LL57 3PH Canol Bethesda 53.176985 -4.054666 262777 366403 SH627664
LL57 3PJ Gerlan 53.179918 -4.054522 262796 366729 SH627667
LL57 3PL Canol Bethesda 53.17703 -4.053067 262884 366405 SH628664
LL57 3PN Canol Bethesda 53.176849 -4.052116 262947 366383 SH629663
LL57 3PP Canol Bethesda 53.176484 -4.056587 262647 366351 SH626663
LL57 3PR Canol Bethesda 53.17584 -4.056392 262658 366279 SH626662
LL57 3PS Gerlan 53.174134 -4.055742 262696 366088 SH626660
LL57 3PT Gerlan 53.173816 -4.056998 262611 366055 SH626660
LL57 3PU Gerlan 53.173516 -4.056146 262667 366020 SH626660
LL57 3PW Canol Bethesda 53.176557 -4.056007 262686 366358 SH626663
LL57 3PY Gerlan 53.173324 -4.054745 262760 365996 SH627659
LL57 3PZ Gerlan 53.174096 -4.054812 262758 366082 SH627660
LL57 3RA Gerlan 53.171925 -4.055052 262735 365841 SH627658
LL57 3RB Gerlan 53.173334 -4.055195 262730 365998 SH627659
LL57 3RD Gerlan 53.174273 -4.052397 262920 366097 SH629660
LL57 3RE Gerlan 53.173815 -4.053901 262818 366049 SH628660
LL57 3RF Gerlan 53.174368 -4.054137 262804 366111 SH628661
LL57 3RG Gerlan 53.175244 -4.052353 262926 366205 SH629662
LL57 3RH Gerlan 53.175321 -4.051549 262980 366212 SH629662
LL57 3RJ Gerlan 53.175669 -4.050683 263039 366249 SH630662
LL57 3RL Gerlan 53.175065 -4.05022 263068 366181 SH630661
LL57 3RN Gerlan 53.17702 -4.051031 263020 366400 SH630663
LL57 3RS Rachub 53.186502 -4.060061 262447 367472 SH624674
LL57 3RT Gerlan 53.18505 -4.058794 262527 367308 SH625673
LL57 3RU Gerlan 53.185 -4.059584 262474 367304 SH624673
LL57 3RW Canol Bethesda 53.178617 -4.053322 262872 366582 SH628665
LL57 3RX Gerlan 53.184793 -4.059604 262472 367281 SH624672
LL57 3RY Gerlan 53.184167 -4.058871 262519 367210 SH625672
LL57 3RZ Gerlan 53.183547 -4.058332 262553 367140 SH625671
LL57 3SA Gerlan 53.184044 -4.058192 262564 367195 SH625671
LL57 3SB Gerlan 53.183382 -4.056454 262678 367118 SH626671
LL57 3SD Rachub 53.193225 -4.060203 262459 368220 SH624682
LL57 3SE Gerlan 53.182881 -4.057852 262583 367065 SH625670
LL57 3SF Gerlan 53.183249 -4.057405 262614 367105 SH626671
LL57 3SG Gerlan 53.181612 -4.056369 262678 366921 SH626669
LL57 3SH Gerlan 53.181923 -4.056099 262697 366955 SH626669
LL57 3SJ Gerlan 53.181686 -4.055235 262754 366927 SH627669
LL57 3SL Gerlan 53.181946 -4.054724 262789 366955 SH627669
LL57 3SN Gerlan 53.180548 -4.05346 262869 366797 SH628667
LL57 3SP Gerlan 53.177951 -4.051809 262971 366505 SH629665
LL57 3SQ Gerlan 53.184768 -4.060007 262445 367279 SH624672
LL57 3SR Gerlan 53.178847 -4.051478 262996 366604 SH629666
LL57 3SS Gerlan 53.178163 -4.051475 262994 366528 SH629665
LL57 3ST Gerlan 53.178415 -4.050425 263065 366554 SH630665
LL57 3SU Gerlan 53.178449 -4.049513 263126 366556 SH631665
LL57 3SW Canol Bethesda 53.179341 -4.053552 262859 366663 SH628666
LL57 3SY Gerlan 53.178888 -4.050148 263085 366606 SH630666
LL57 3TA Gerlan 53.17947 -4.051298 263010 366673 SH630666
LL57 3TB Gerlan 53.180141 -4.052018 262964 366749 SH629667
LL57 3TD Gerlan 53.178439 -4.048525 263192 366553 SH631665
LL57 3TE Gerlan 53.178889 -4.048517 263194 366603 SH631666
LL57 3TF Gerlan 53.177908 -4.048021 263224 366493 SH632664
LL57 3TG Gerlan 53.177609 -4.04871 263177 366461 SH631664
LL57 3TH Gerlan 53.177816 -4.049229 263143 366485 SH631664
LL57 3TJ Gerlan 53.177981 -4.048518 263191 366502 SH631665
LL57 3TL Gerlan 53.177041 -4.04774 263240 366396 SH632663
LL57 3TN Gerlan 53.177113 -4.048282 263204 366405 SH632664
LL57 3TP Gerlan 53.176874 -4.049109 263148 366380 SH631663
LL57 3TR Gerlan 53.17676 -4.049433 263126 366368 SH631663
LL57 3TS Gerlan 53.176431 -4.047651 263244 366328 SH632663
LL57 3TT Gerlan 53.176422 -4.048175 263209 366328 SH632663
LL57 3TU Gerlan 53.176413 -4.048683 263175 366328 SH631663
LL57 3TW Gerlan 53.177174 -4.048869 263165 366413 SH631664
LL57 3TY Gerlan 53.17599 -4.046643 263310 366277 SH633662
LL57 3UA Gerlan 53.175612 -4.046161 263341 366234 SH633662
LL57 3UB Gerlan 53.172723 -4.038961 263813 365899 SH638658
LL57 3UD Gerlan 53.176487 -4.041264 263671 366322 SH636663
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