Postcodes in Gwynedd page 17 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
LL41 9AN Diffwys a Maenofferen 52.99432 -3.934701 270245 345862 SH702458
LL41 9AP Diffwys a Maenofferen 52.99432 -3.934701 270245 345862 SH702458
LL42 1AA Abermaw 52.723506 -4.056676 261197 315969 SH611159
LL42 1AB Abermaw 52.723339 -4.056446 261212 315950 SH612159
LL42 1AD Abermaw 52.723266 -4.055984 261242 315941 SH612159
LL42 1AE Abermaw 52.722994 -4.055098 261301 315909 SH613159
LL42 1AF Abermaw 52.723554 -4.055983 261243 315973 SH612159
LL42 1AG Abermaw 52.723039 -4.054048 261373 315912 SH613159
LL42 1AH Abermaw 52.723778 -4.058126 261099 316002 SH610160
LL42 1AJ Abermaw 52.73959 -4.071729 260232 317787 SH602177
LL42 1AL Abermaw 52.732276 -4.047625 261835 316927 SH618169
LL42 1AN Abermaw 52.722778 -4.055102 261301 315885 SH613158
LL42 1AP Abermaw 52.727791 -4.06261 260809 316457 SH608164
LL42 1AQ Abermaw 52.737415 -4.070633 260299 317543 SH602175
LL42 1AR Abermaw 52.722561 -4.054648 261330 315860 SH613158
LL42 1AS Abermaw 52.722518 -4.054542 261338 315855 SH613158
LL42 1AT Abermaw 52.722517 -4.054098 261367 315854 SH613158
LL42 1AU Abermaw 52.722711 -4.053796 261388 315875 SH613158
LL42 1AW Abermaw 52.722535 -4.05515 261296 315858 SH612158
LL42 1AX Abermaw 52.739665 -4.075169 260000 317802 SH599178
LL42 1AY Abermaw 52.722479 -4.053696 261395 315849 SH613158
LL42 1AZ Abermaw 52.741947 -4.075752 259968 318057 SH599180
LL42 1BA Abermaw 52.722072 -4.052774 261455 315802 SH614158
LL42 1BB Abermaw 52.721262 -4.047642 261799 315702 SH617157
LL42 1BD Abermaw 52.722103 -4.053604 261400 315807 SH613158
LL42 1BE Abermaw 52.721907 -4.053492 261406 315785 SH614157
LL42 1BF Abermaw 52.725454 -4.063595 260736 316199 SH607161
LL42 1BG Abermaw 52.721951 -4.053538 261404 315790 SH614157
LL42 1BH Abermaw 52.721889 -4.052987 261441 315782 SH614157
LL42 1BJ Abermaw 52.735071 -4.069959 260337 317281 SH603172
LL42 1BL Abermaw 52.720947 -4.051299 261552 315674 SH615156
LL42 1BN Abermaw 52.720804 -4.051263 261553 315658 SH615156
LL42 1BP Abermaw 52.720806 -4.051663 261526 315659 SH615156
LL42 1BQ Abermaw 52.736521 -4.070843 260282 317444 SH602174
LL42 1BS Abermaw 52.720579 -4.051238 261554 315633 SH615156
LL42 1BT Abermaw 52.720466 -4.051558 261533 315621 SH615156
LL42 1BU Abermaw 52.720304 -4.05158 261531 315603 SH615156
LL42 1BW Abermaw 52.720691 -4.052043 261500 315647 SH615156
LL42 1BX Abermaw 52.732637 -4.068778 260408 317008 SH604170
LL42 1BY Abermaw 52.720241 -4.051548 261532 315596 SH615155
LL42 1DA Abermaw 52.720287 -4.052038 261500 315602 SH614156
LL42 1DB Abermaw 52.720219 -4.051265 261552 315593 SH615155
LL42 1DD Abermaw 52.720209 -4.050835 261581 315591 SH615155
LL42 1DE Abermaw 52.725138 -4.056916 261186 316151 SH611161
LL42 1DF Abermaw 52.72284 -4.054616 261334 315891 SH613158
LL42 1DJ Abermaw 52.724718 -4.042725 262142 316077 SH621160
LL42 1DL Abermaw 52.722243 -4.054307 261352 315824 SH613158
LL42 1DN Abermaw 52.721499 -4.052658 261461 315738 SH614157
LL42 1DP Abermaw 52.722087 -4.053974 261374 315806 SH613158
LL42 1DQ Abermaw 52.721941 -4.044757 261996 315772 SH619157
LL42 1DR Abermaw 52.721787 -4.053678 261394 315772 SH613157
LL42 1DS Abermaw 52.721179 -4.052939 261442 315703 SH614157
LL42 1DT Abermaw 52.722465 -4.043034 262114 315827 SH621158
LL42 1DU Abermaw 52.720978 -4.053107 261430 315681 SH614156
LL42 1DW Abermaw 52.721666 -4.05388 261380 315759 SH613157
LL42 1DX Abermaw 52.739716 -4.031175 262969 317723 SH629177
LL42 1DY Abermaw 52.740535 -4.024843 263399 317802 SH633178
LL42 1DZ Abermaw 52.752129 -4.007613 264599 319059 SH645190
LL42 1EA Abermaw 52.721134 -4.05504 261299 315702 SH612157
LL42 1EB Abermaw 52.721134 -4.05504 261299 315702 SH612157
LL42 1ED Abermaw 52.720612 -4.052439 261473 315639 SH614156
LL42 1EE Abermaw 52.720461 -4.052861 261444 315623 SH614156
LL42 1EF Abermaw 52.720733 -4.053762 261385 315655 SH613156
LL42 1EG Abermaw 52.720254 -4.051874 261510 315598 SH615155
LL42 1EH Abermaw 52.720093 -4.051274 261551 315579 SH615155
LL42 1EL Abermaw 52.720146 -4.049781 261651 315582 SH616155
LL42 1EN Abermaw 52.732866 -4.063382 260774 317023 SH607170
LL42 1EP Abermaw 52.726181 -4.060031 260978 316273 SH609162
LL42 1EQ Abermaw 52.719436 -4.045084 261966 315494 SH619154
LL42 1ER Abermaw 52.719912 -4.051873 261509 315560 SH615155
LL42 1ES Abermaw 52.719876 -4.052404 261474 315557 SH614155
LL42 1ET Abermaw 52.719482 -4.051793 261514 315512 SH615155
LL42 1EU Abermaw 52.719487 -4.052001 261499 315513 SH614155
LL42 1EW Abermaw 52.720236 -4.052377 261476 315597 SH614155
LL42 1EY Abermaw 52.719529 -4.052166 261488 315518 SH614155
LL42 1GA Abermaw 52.719363 -4.053476 261399 315502 SH613155
LL42 1HA Abermaw 52.719124 -4.052191 261486 315473 SH614154
LL42 1HB Abermaw 52.718713 -4.052586 261458 315428 SH614154
LL42 1HD Abermaw 52.725761 -4.062499 260811 316231 SH608162
LL42 1HF Abermaw 52.725232 -4.060845 260921 316169 SH609161
LL42 1HG Abermaw 52.725023 -4.060954 260912 316146 SH609161
LL42 1HH Abermaw 52.724463 -4.061105 260900 316084 SH609160
LL42 1HL Abermaw 52.725462 -4.061552 260873 316196 SH608161
LL42 1HN Abermaw 52.724627 -4.060979 260910 316102 SH609161
LL42 1HP Abermaw 52.723076 -4.058137 261097 315924 SH610159
LL42 1HR Abermaw 52.725967 -4.061976 260846 316253 SH608162
LL42 1HS Abermaw 52.726186 -4.061808 260859 316277 SH608162
LL42 1HT Abermaw 52.725794 -4.063167 260765 316236 SH607162
LL42 1HU Abermaw 52.72619 -4.063126 260770 316280 SH607162
LL42 1HW Abermaw 52.725318 -4.06313 260766 316183 SH607161
LL42 1HX Abermaw 52.725419 -4.063534 260740 316195 SH607161
LL42 1HY Abermaw 52.726769 -4.064472 260680 316347 SH606163
LL42 1LA Abermaw 52.7265 -4.063437 260750 316315 SH607163
LL42 1LB Abermaw 52.727313 -4.063712 260734 316406 SH607164
LL42 1LD Abermaw 52.728803 -4.065397 260625 316575 SH606165
LL42 1LE Abermaw 52.727503 -4.064655 260670 316429 SH606164
LL42 1LF Abermaw 52.728624 -4.065848 260594 316556 SH605165
LL42 1LG Abermaw 52.730519 -4.0665 260556 316768 SH605167
LL42 1LH Abermaw 52.726464 -4.063421 260750 316311 SH607163
LL42 1LL Abermaw 52.726304 -4.056586 261212 316280 SH612162
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