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 52,448 households with a population of about 121,810

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
LL42 1AB Abermaw 52.723323 -4.056438 261212 315948 SH612159
LL42 1AD Abermaw 52.723266 -4.055984 261242 315941 SH612159
LL42 1AE Abermaw 52.722994 -4.055097 261302 315909 SH613159
LL42 1AF Abermaw 52.723538 -4.055975 261244 315971 SH612159
LL42 1AG Abermaw 52.723039 -4.054048 261373 315912 SH613159
LL42 1AH Abermaw 52.723762 -4.058118 261100 316000 SH610160
LL42 1AJ Abermaw 52.739574 -4.071721 260232 317785 SH602177
LL42 1AL Abermaw 52.73226 -4.047617 261836 316925 SH618169
LL42 1AN Abermaw 52.722762 -4.055094 261301 315883 SH613158
LL42 1AP Abermaw 52.727791 -4.062609 260810 316457 SH608164
LL42 1AQ Abermaw 52.737399 -4.070626 260299 317541 SH602175
LL42 1AR Abermaw 52.722545 -4.05464 261331 315858 SH613158
LL42 1AS Abermaw 52.722518 -4.054542 261338 315855 SH613158
LL42 1AT Abermaw 52.722501 -4.05409 261368 315852 SH613158
LL42 1AU Abermaw 52.722683 -4.053868 261384 315872 SH613158
LL42 1AW Abermaw 52.722519 -4.055142 261297 315856 SH612158
LL42 1AX Abermaw 52.739648 -4.075162 260000 317800 SH599177
LL42 1AY Abermaw 52.722463 -4.053688 261395 315847 SH613158
LL42 1AZ Abermaw 52.741931 -4.075744 259968 318055 SH599180
LL42 1BA Abermaw 52.722056 -4.052766 261456 315800 SH614157
LL42 1BB Abermaw 52.721246 -4.047634 261800 315700 SH617157
LL42 1BD Abermaw 52.722103 -4.053604 261400 315807 SH613158
LL42 1BE Abermaw 52.721891 -4.053483 261407 315783 SH614157
LL42 1BF Abermaw 52.725454 -4.063595 260736 316199 SH607161
LL42 1BG Abermaw 52.721935 -4.05353 261404 315788 SH614157
LL42 1BH Abermaw 52.721873 -4.052979 261441 315780 SH614157
LL42 1BJ Abermaw 52.735055 -4.069952 260337 317279 SH603172
LL42 1BL Abermaw 52.720931 -4.051291 261552 315672 SH615156
LL42 1BN Abermaw 52.720788 -4.051255 261554 315656 SH615156
LL42 1BP Abermaw 52.72079 -4.05164 261528 315657 SH615156
LL42 1BQ Abermaw 52.736505 -4.070835 260282 317442 SH602174
LL42 1BS Abermaw 52.720563 -4.05123 261555 315631 SH615156
LL42 1BT Abermaw 52.720466 -4.051558 261533 315621 SH615156
LL42 1BU Abermaw 52.720276 -4.051623 261528 315600 SH615155
LL42 1BW Abermaw 52.720675 -4.052034 261501 315645 SH615156
LL42 1BX Abermaw 52.7327 -4.06881 260407 317015 SH604170
LL42 1BY Abermaw 52.720287 -4.051505 261536 315601 SH615156
LL42 1DA Abermaw 52.720271 -4.05203 261500 315600 SH615156
LL42 1DB Abermaw 52.720219 -4.051265 261552 315593 SH615155
LL42 1DD Abermaw 52.720209 -4.050835 261581 315591 SH615155
LL42 1DE Abermaw 52.725122 -4.056908 261186 316149 SH611161
LL42 1DF Abermaw 52.722824 -4.054608 261334 315889 SH613158
LL42 1DJ Abermaw 52.724702 -4.042716 262143 316075 SH621160
LL42 1DL Abermaw 52.722227 -4.054299 261353 315822 SH613158
LL42 1DN Abermaw 52.721483 -4.05265 261462 315736 SH614157
LL42 1DP Abermaw 52.722071 -4.053966 261375 315804 SH613158
LL42 1DQ Abermaw 52.721925 -4.044748 261997 315770 SH619157
LL42 1DR Abermaw 52.721663 -4.053584 261399 315758 SH613157
LL42 1DS Abermaw 52.721163 -4.052931 261442 315701 SH614157
LL42 1DT Abermaw 52.722465 -4.043034 262114 315827 SH621158
LL42 1DU Abermaw 52.720963 -4.053099 261430 315679 SH614156
LL42 1DW Abermaw 52.721666 -4.05388 261380 315759 SH613157
LL42 1DX Abermaw 52.739716 -4.031174 262970 317723 SH629177
LL42 1DY Abermaw 52.740519 -4.024835 263400 317800 SH633178
LL42 1DZ Abermaw 52.752114 -4.007605 264599 319057 SH645190
LL42 1EA Abermaw 52.721118 -4.055032 261300 315700 SH612157
LL42 1EB Abermaw 52.721118 -4.055032 261300 315700 SH612157
LL42 1ED Abermaw 52.720612 -4.052439 261473 315639 SH614156
LL42 1EE Abermaw 52.720445 -4.052853 261445 315621 SH614156
LL42 1EF Abermaw 52.720717 -4.053754 261385 315653 SH613156
LL42 1EG Abermaw 52.720238 -4.051866 261511 315596 SH615155
LL42 1EH Abermaw 52.720077 -4.051266 261551 315577 SH615155
LL42 1EL Abermaw 52.720146 -4.049781 261651 315582 SH616155
LL42 1EN Abermaw 52.73285 -4.063374 260774 317021 SH607170
LL42 1EP Abermaw 52.726165 -4.060023 260979 316271 SH609162
LL42 1EQ Abermaw 52.71942 -4.045075 261967 315492 SH619154
LL42 1ER Abermaw 52.719896 -4.051865 261510 315558 SH615155
LL42 1ES Abermaw 52.71986 -4.052396 261474 315555 SH614155
LL42 1ET Abermaw 52.719466 -4.051785 261514 315510 SH615155
LL42 1EU Abermaw 52.719471 -4.051993 261500 315511 SH614155
LL42 1EW Abermaw 52.72022 -4.052368 261477 315595 SH614155
LL42 1EY Abermaw 52.719563 -4.0523 261480 315522 SH614155
LL42 1GA Abermaw 52.719347 -4.053468 261400 315500 SH613155
LL42 1HA Abermaw 52.719108 -4.052183 261486 315471 SH614154
LL42 1HB Abermaw 52.718697 -4.052578 261458 315426 SH614154
LL42 1HD Abermaw 52.725745 -4.062491 260811 316229 SH608162
LL42 1HF Abermaw 52.725232 -4.060845 260921 316169 SH609161
LL42 1HG Abermaw 52.725023 -4.060953 260913 316146 SH609161
LL42 1HH Abermaw 52.724447 -4.061097 260901 316082 SH609160
LL42 1HL Abermaw 52.725446 -4.061544 260874 316194 SH608161
LL42 1HN Abermaw 52.724611 -4.060971 260910 316100 SH609160
LL42 1HP Abermaw 52.72306 -4.058129 261097 315922 SH610159
LL42 1HR Abermaw 52.725951 -4.061967 260847 316251 SH608162
LL42 1HS Abermaw 52.72617 -4.0618 260859 316275 SH608162
LL42 1HT Abermaw 52.725778 -4.063159 260766 316234 SH607162
LL42 1HU Abermaw 52.726174 -4.063118 260770 316278 SH607162
LL42 1HW Abermaw 52.725302 -4.063122 260767 316181 SH607161
LL42 1HX Abermaw 52.725595 -4.06375 260725 316215 SH607162
LL42 1HY Abermaw 52.726753 -4.064464 260681 316345 SH606163
LL42 1LA Abermaw 52.726483 -4.063429 260750 316313 SH607163
LL42 1LB Abermaw 52.727297 -4.063705 260734 316404 SH607164
LL42 1LD Abermaw 52.728787 -4.065389 260625 316573 SH606165
LL42 1LE Abermaw 52.727559 -4.064553 260678 316435 SH606164
LL42 1LF Abermaw 52.728608 -4.06584 260594 316554 SH605165
LL42 1LG Abermaw 52.730503 -4.066492 260556 316766 SH605167
LL42 1LH Abermaw 52.726448 -4.063413 260751 316309 SH607163
LL42 1LL Abermaw 52.726288 -4.056578 261212 316278 SH612162
LL42 1LN Abermaw 52.721447 -4.053699 261391 315734 SH613157
LL42 1LP Abermaw 52.722352 -4.05543 261277 315838 SH612158
LL42 1LR Abermaw 52.721867 -4.055407 261277 315784 SH612157
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