Postcodes in Gwynedd 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
LL21 0HA Llandderfel 52.971586 -3.451763 302605 342568 SJ026425
LL21 0HB Llandderfel 52.970282 -3.456232 302302 342429 SJ023424
LL21 0HD Llandderfel 52.970287 -3.463348 301824 342439 SJ018424
LL21 0HE Llandderfel 52.964512 -3.489686 300042 341833 SJ000418
LL21 0HF Llandderfel 52.963465 -3.462552 301862 341679 SJ018416
LL21 0HG Llandderfel 52.97215 -3.45738 302229 342638 SJ022426
LL21 0NP Llandderfel 52.981538 -3.462999 301873 343690 SJ018436
LL21 0NW Llandderfel 52.976287 -3.449119 302793 343087 SJ027430
LL21 0PF Llandderfel 52.971367 -3.490026 300035 342596 SJ000425
LL21 0PG Llandderfel 52.965428 -3.511814 298558 341966 SH985419
LL21 0PH Llandderfel 52.954375 -3.532493 297143 340766 SH971407
LL21 0RN Llandderfel 52.987997 -3.599921 292697 344605 SH926446
LL23 7AA Y Bala 52.910999 -3.596963 292705 336036 SH927360
LL23 7AB Y Bala 52.910732 -3.597693 292655 336007 SH926360
LL23 7AD Y Bala 52.909707 -3.599488 292532 335896 SH925358
LL23 7AE Y Bala 52.909987 -3.599584 292526 335927 SH925359
LL23 7AF Y Bala 52.910814 -3.598261 292617 336017 SH926360
LL23 7AG Y Bala 52.911654 -3.596627 292729 336108 SH927361
LL23 7AH Y Bala 52.911751 -3.597883 292645 336121 SH926361
LL23 7AJ Y Bala 52.910319 -3.599451 292536 335964 SH925359
LL23 7AL Y Bala 52.910395 -3.599796 292513 335973 SH925359
LL23 7AN Y Bala 52.910801 -3.600581 292461 336019 SH924360
LL23 7AP Y Bala 52.910748 -3.603181 292286 336017 SH922360
LL23 7AQ Y Bala 52.909077 -3.606421 292064 335836 SH920358
LL23 7AR Y Bala 52.910515 -3.601775 292380 335989 SH923359
LL23 7AS Y Bala 52.910111 -3.602414 292336 335945 SH923359
LL23 7AT Y Bala 52.911192 -3.604209 292218 336068 SH922360
LL23 7AU Y Bala 52.910382 -3.595613 292794 335965 SH927359
LL23 7AW Y Bala 52.910265 -3.599684 292520 335958 SH925359
LL23 7AX Y Bala 52.914656 -3.599355 292553 336446 SH925364
LL23 7AY Y Bala 52.910061 -3.59407 292897 335927 SH928359
LL23 7BA Y Bala 52.910795 -3.595004 292836 336010 SH928360
LL23 7BB Y Bala 52.913738 -3.597462 292678 336341 SH926363
LL23 7BD Y Bala 52.91533 -3.598476 292614 336520 SH926365
LL23 7BE Y Bala 52.913807 -3.596349 292753 336347 SH927363
LL23 7BF Y Bala 52.908333 -3.594229 292882 335735 SH928357
LL23 7BG Y Bala 52.908632 -3.605423 292130 335785 SH921357
LL23 7BH Y Bala 52.910032 -3.598932 292570 335931 SH925359
LL23 7BJ Y Bala 52.908066 -3.594725 292848 335706 SH928357
LL23 7BL Y Bala 52.909054 -3.595416 292804 335817 SH928358
LL23 7BN Y Bala 52.908271 -3.595521 292795 335730 SH927357
LL23 7BP Y Bala 52.907341 -3.594446 292865 335625 SH928356
LL23 7BQ Y Bala 52.909342 -3.605405 292133 335864 SH921358
LL23 7BS Llandderfel 52.897959 -3.594889 292812 334582 SH928345
LL23 7BT Llandderfel 52.890104 -3.60773 291929 333728 SH919337
LL23 7BU Llandderfel 52.866135 -3.618011 291177 331077 SH911310
LL23 7BW Y Bala 52.907791 -3.595072 292824 335676 SH928356
LL23 7BY Llandderfel 52.871186 -3.631928 290253 331660 SH902316
LL23 7DA Llandderfel 52.872153 -3.633232 290168 331770 SH901317
LL23 7DB Llandderfel 52.860145 -3.647962 289146 330457 SH891304
LL23 7DD Llanuwchllyn 52.854928 -3.660012 288321 329895 SH883298
LL23 7DE Llanuwchllyn 52.848299 -3.661541 288201 329160 SH882291
LL23 7DF Llanuwchllyn 52.82541 -3.644668 289279 326588 SH892265
LL23 7DG Y Bala 52.907306 -3.595768 292776 335623 SH927356
LL23 7DH Y Bala 52.916429 -3.599647 292538 336644 SH925366
LL23 7DN Llandderfel 52.914576 -3.590592 293142 336424 SH931364
LL23 7DP Llandderfel 52.917964 -3.560225 295192 336756 SH951367
LL23 7DR Llandderfel 52.913749 -3.539416 296581 336257 SH965362
LL23 7DS Llandderfel 52.917435 -3.581148 293784 336728 SH937367
LL23 7DT Llandderfel 52.917239 -3.581706 293746 336707 SH937367
LL23 7DU Llandderfel 52.918436 -3.5823 293709 336841 SH937368
LL23 7DW Llandderfel 52.916426 -3.58065 293815 336615 SH938366
LL23 7DX Y Bala 52.906705 -3.594943 292830 335555 SH928355
LL23 7DY Llandderfel 52.929619 -3.587707 293373 338093 SH933380
LL23 7DZ Y Bala 52.906109 -3.595144 292815 335489 SH928354
LL23 7EA Llandderfel 52.929995 -3.602584 292374 338157 SH923381
LL23 7EB Llandderfel 52.962744 -3.621769 291167 341829 SH911418
LL23 7ED Llandderfel 52.975567 -3.628323 290759 343265 SH907432
LL23 7EE Llandderfel 52.971748 -3.61637 291552 342822 SH915428
LL23 7EF Llandderfel 52.941109 -3.607072 292100 339400 SH920393
LL23 7EH Y Bala 52.909717 -3.597656 292655 335894 SH926358
LL23 7EL Y Bala 52.909785 -3.597227 292684 335901 SH926359
LL23 7EN Y Bala 52.908822 -3.596686 292718 335793 SH927357
LL23 7EP Llandderfel 52.911193 -3.565082 294849 336010 SH948360
LL23 7EQ Y Bala 52.909478 -3.596026 292764 335865 SH927358
LL23 7ER Llandderfel 52.902185 -3.57124 294413 335017 SH944350
LL23 7ES Llandderfel 52.900064 -3.573185 294277 334784 SH942347
LL23 7ET Llandderfel 52.895741 -3.573787 294226 334304 SH942343
LL23 7EU Llandderfel 52.90006 -3.567402 294666 334775 SH946347
LL23 7EW Llandderfel 52.893106 -3.596469 292694 334045 SH926340
LL23 7EY Llandderfel 52.878883 -3.548553 295883 332392 SH958323
LL23 7GA Y Bala 52.908909 -3.593522 292931 335798 SH929357
LL23 7HA Y Bala 52.909371 -3.591279 293083 335846 SH930358
LL23 7HD Llandderfel 52.92402 -3.560428 295193 337430 SH951374
LL23 7HE Llandderfel 52.933599 -3.540805 296535 338467 SH965384
LL23 7HF Llandderfel 52.934778 -3.539094 296653 338596 SH966385
LL23 7HG Llandderfel 52.923269 -3.517797 298057 337285 SH980372
LL23 7HH Llandderfel 52.922041 -3.515434 298213 337145 SH982371
LL23 7HL Llandderfel 52.92099 -3.515382 298214 337028 SH982370
LL23 7HN Llandderfel 52.920586 -3.515324 298217 336983 SH982369
LL23 7HP Llandderfel 52.921414 -3.515204 298227 337075 SH982370
LL23 7HQ Llandderfel 52.921803 -3.516482 298142 337120 SH981371
LL23 7HR Llandderfel 52.921005 -3.514922 298245 337029 SH982370
LL23 7HS Llandderfel 52.921182 -3.514407 298280 337048 SH982370
LL23 7HT Llandderfel 52.921559 -3.512772 298391 337088 SH983370
LL23 7HU Llandderfel 52.921845 -3.51034 298555 337116 SH985371
LL23 7HW Llandderfel 52.920165 -3.515654 298194 336937 SH981369
LL23 7HY Llandderfel 52.927858 -3.513272 298372 337789 SH983377
LL23 7LA Llandderfel 52.94139 -3.508893 298698 339288 SH986392
LL23 7LB Llandderfel 52.949325 -3.503453 299082 340163 SH990401
Contains OS data © Crown copyright and database right 2024
Contains Royal Mail data © Royal Mail copyright and database right 2024
Contains National Statistics data © Crown copyright and database rights 2024
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license