Postcodes in Gwynedd page 42 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
LL54 7PA Llanwnda 53.092013 -4.240559 250059 357325 SH500573
LL54 7PB Llanwnda 53.093998 -4.245427 249740 357556 SH497575
LL54 7PD Llanwnda 53.095917 -4.24714 249632 357773 SH496577
LL54 7PE Llanwnda 53.096018 -4.248445 249545 357787 SH495577
LL54 7PF Llanwnda 53.093468 -4.251598 249325 357510 SH493575
LL54 7PG Y Groeslon 53.08535 -4.250129 249395 356604 SH493566
LL54 7PH Llanwnda 53.100682 -4.241891 250000 358292 SH499582
LL54 7PL Tryfan 53.100616 -4.22816 250919 358256 SH509582
LL54 7PN Tryfan 53.108454 -4.235482 250456 359143 SH504591
LL54 7PP Llanwnda 53.095046 -4.244197 249826 357670 SH498576
LL54 7PT Tryfan 53.072338 -4.231625 250589 355118 SH505551
LL54 7PU Tryfan 53.075704 -4.231441 250613 355492 SH506554
LL54 7PW Llanwnda 53.101574 -4.252723 249278 358414 SH492584
LL54 7PY Tryfan 53.077029 -4.235571 250341 355648 SH503556
LL54 7RA Tryfan 53.082116 -4.235177 250385 356213 SH503562
LL54 7RB Tryfan 53.073601 -4.235229 250352 355266 SH503552
LL54 7RD Tryfan 53.071038 -4.234275 250407 354979 SH504549
LL54 7RE Tryfan 53.072521 -4.226649 250923 355128 SH509551
LL54 7RF Tryfan 53.071134 -4.216665 251587 354953 SH515549
LL54 7RL Tryfan 53.071623 -4.249055 249419 355075 SH494550
LL54 7RN Tryfan 53.071367 -4.249758 249371 355048 SH493550
LL54 7RP Tryfan 53.071074 -4.249563 249383 355015 SH493550
LL54 7RQ Tryfan 53.072141 -4.234437 250400 355102 SH503551
LL54 7RR Tryfan 53.069961 -4.250894 249290 354894 SH492548
LL54 7RS Tryfan 53.069902 -4.251622 249241 354889 SH492548
LL54 7RT Tryfan 53.069508 -4.250571 249310 354843 SH493548
LL54 7RU Tryfan 53.069573 -4.250948 249285 354851 SH492548
LL54 7RW Tryfan 53.071057 -4.24901 249420 355012 SH494550
LL54 7RY Tryfan 53.069509 -4.251975 249216 354846 SH492548
LL54 7SA Tryfan 53.067481 -4.253153 249130 354623 SH491546
LL54 7SB Tryfan 53.066869 -4.250822 249284 354550 SH492545
LL54 7SD Tryfan 53.064397 -4.249842 249341 354273 SH493542
LL54 7SE Tryfan 53.063833 -4.248768 249411 354208 SH494542
LL54 7SF Tryfan 53.06128 -4.245889 249595 353918 SH495539
LL54 7SG Tryfan 53.062354 -4.248079 249452 354042 SH494540
LL54 7SH Tryfan 53.063639 -4.250474 249296 354190 SH492541
LL54 7SL Tryfan 53.070769 -4.254265 249067 354991 SH490549
LL54 7SN Tryfan 53.070466 -4.257429 248854 354964 SH488549
LL54 7SP Tryfan 53.070898 -4.251241 249270 354999 SH492549
LL54 7ST Y Groeslon 53.077582 -4.281242 247284 355806 SH472558
LL54 7SU Y Groeslon 53.076733 -4.281018 247296 355711 SH472557
LL54 7SW Y Groeslon 53.07164 -4.261909 248558 355104 SH485551
LL54 7SY Y Groeslon 53.076598 -4.279607 247390 355693 SH473556
LL54 7TA Y Groeslon 53.077284 -4.278972 247435 355768 SH474557
LL54 7TB Y Groeslon 53.077539 -4.280224 247352 355799 SH473557
LL54 7TD Y Groeslon 53.078598 -4.279847 247381 355916 SH473559
LL54 7TE Y Groeslon 53.078214 -4.278319 247482 355870 SH474558
LL54 7TF Y Groeslon 53.077221 -4.278028 247498 355759 SH474557
LL54 7TG Y Groeslon 53.077724 -4.277158 247558 355813 SH475558
LL54 7TH Y Groeslon 53.077544 -4.276223 247620 355791 SH476557
LL54 7TJ Y Groeslon 53.077947 -4.279559 247398 355843 SH473558
LL54 7TL Y Groeslon 53.076995 -4.276224 247618 355730 SH476557
LL54 7TN Y Groeslon 53.077375 -4.275662 247657 355771 SH476557
LL54 7TP Y Groeslon 53.075068 -4.27451 247726 355512 SH477555
LL54 7TQ Y Groeslon 53.07646 -4.27739 247538 355673 SH475556
LL54 7TR Y Groeslon 53.073266 -4.276102 247613 355315 SH476553
LL54 7TS Y Groeslon 53.07283 -4.276825 247563 355268 SH475552
LL54 7TT Y Groeslon 53.072285 -4.27708 247544 355208 SH475552
LL54 7TU Y Groeslon 53.072849 -4.271138 247944 355258 SH479552
LL54 7TW Y Groeslon 53.075581 -4.276373 247603 355573 SH476555
LL54 7TY Y Groeslon 53.073274 -4.270071 248017 355303 SH480553
LL54 7UA Y Groeslon 53.072625 -4.270112 248012 355231 SH480552
LL54 7UB Y Groeslon 53.073884 -4.265893 248299 355362 SH482553
LL54 7UD Y Groeslon 53.073721 -4.269736 248041 355352 SH480553
LL54 7UE Y Groeslon 53.067865 -4.275981 247602 354714 SH476547
LL54 7UF Y Groeslon 53.080042 -4.290809 246652 356100 SH466560
LL54 7UG Y Groeslon 53.067928 -4.275985 247602 354721 SH476547
LL54 7UL Y Groeslon 53.074298 -4.282292 247202 355443 SH472554
LL54 7UN Y Bontnewydd 53.114097 -4.268889 248240 359841 SH482598
LL54 7UP Y Bontnewydd 53.112524 -4.267476 248329 359663 SH483596
LL54 7UR Y Bontnewydd 53.112965 -4.266977 248364 359711 SH483597
LL54 7UT Y Bontnewydd 53.112685 -4.266125 248420 359678 SH484596
LL54 7UW Y Bontnewydd 53.112728 -4.268563 248257 359688 SH482596
LL54 7UY Llanwnda 53.099677 -4.275883 247721 358252 SH477582
LL54 7YA Llanwnda 53.094809 -4.277523 247594 357714 SH475577
LL54 7YB Llanwnda 53.096163 -4.281 247366 357872 SH473578
LL54 7YE Y Bontnewydd 53.112488 -4.258972 248898 359641 SH488596
LL54 7YF Y Bontnewydd 53.10905 -4.26952 248180 359281 SH481592
LL54 7YG Llanwnda 53.105635 -4.26807 248265 358898 SH482588
LL54 7YH Llanwnda 53.105803 -4.271022 248068 358923 SH480589
LL54 7YJ Llanwnda 53.105295 -4.271727 248019 358868 SH480588
LL54 7YL Llanwnda 53.102597 -4.276022 247722 358577 SH477585
LL54 7YN Llanwnda 53.10221 -4.276017 247721 358534 SH477585
LL54 7YP Llanwnda 53.100934 -4.278325 247562 358397 SH475583
LL54 7YQ Llanwnda 53.101524 -4.274755 247803 358455 SH478584
LL54 7YR Waunfawr 53.088021 -4.174165 254491 356744 SH544567
LL54 7YS Waunfawr 53.065277 -4.133749 257122 354133 SH571541
LL54 7YT Waunfawr 53.081438 -4.164396 255123 355992 SH551559
LL54 7YU Waunfawr 53.088797 -4.180909 254042 356844 SH540568
LL54 7YW Llanwnda 53.099319 -4.268724 248199 358197 SH481581
LL54 7YY Waunfawr 53.093446 -4.184251 253834 357368 SH538573
LL54 7ZA Peblig 53.140304 -4.248171 249718 362712 SH497627
LL54 7ZB Peblig 53.140304 -4.248171 249718 362712 SH497627
LL54 7ZD Y Groeslon 53.085367 -4.250145 249394 356606 SH493566
LL54 7ZE Y Groeslon 53.085367 -4.250145 249394 356606 SH493566
LL54 7ZF Y Groeslon 53.085367 -4.250145 249394 356606 SH493566
LL54 7ZG Peblig 53.140304 -4.248171 249718 362712 SH497627
LL54 7ZN Peblig 53.140294 -4.248185 249717 362711 SH497627
LL54 7ZS Peblig 53.140304 -4.248171 249718 362712 SH497627
LL54 7ZW Waunfawr 53.095357 -4.18744 253627 357587 SH536575
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