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
Active postcode
Postcode no longer in use| Postcode | Ward | Latitude | Longitude | Easting | Northing | Grid ref |
|---|---|---|---|---|---|---|
| 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 | 52.719563 | -4.052301 | 261479 | 315522 | 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 |
| LL42 1LN | Abermaw | 52.721463 | -4.053708 | 261390 | 315736 | SH613157 |