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 |
|---|---|---|---|---|---|---|
| LL49 9ZL | Gorllewin Porthmadog | 52.927248 | -4.138751 | 256329 | 338791 | SH563387 |
| LL49 9ZN | Gorllewin Porthmadog | 52.927248 | -4.138751 | 256329 | 338791 | SH563387 |
| LL49 9ZP | Gorllewin Porthmadog | 52.930595 | -4.140106 | 256249 | 339166 | SH562391 |
| LL49 9ZR | Gorllewin Porthmadog | 52.930595 | -4.140106 | 256249 | 339166 | SH562391 |
| LL49 9ZY | Gorllewin Porthmadog | 52.930577 | -4.14009 | 256250 | 339164 | SH562391 |
| LL51 9AB | Dolbenmaen | 52.973225 | -4.239502 | 249717 | 344111 | SH497441 |
| LL51 9AJ | Dolbenmaen | 52.967209 | -4.21651 | 251240 | 343394 | SH512433 |
| LL51 9AL | Dolbenmaen | 52.972898 | -4.24011 | 249675 | 344076 | SH496440 |
| LL51 9AQ | Dolbenmaen | 52.969579 | -4.198283 | 252472 | 343620 | SH524436 |
| LL51 9AX | Dolbenmaen | 52.99417 | -4.192439 | 252948 | 346343 | SH529463 |
| LL51 9AZ | Dolbenmaen | 52.96738 | -4.160821 | 254980 | 343299 | SH549432 |
| LL51 9BQ | Glaslyn | 52.951906 | -4.142468 | 256161 | 341541 | SH561415 |
| LL51 9DJ | Clynnog | 53.000995 | -4.27802 | 247229 | 347281 | SH472472 |
| LL51 9DQ | Clynnog | 52.996369 | -4.269759 | 247767 | 346749 | SH477467 |
| LL51 9DX | Clynnog | 53.000525 | -4.282839 | 246904 | 347239 | SH469472 |
| LL51 9DZ | Clynnog | 52.998189 | -4.291136 | 246339 | 346997 | SH463469 |
| LL51 9EJ | Clynnog | 52.993605 | -4.292488 | 246232 | 346490 | SH462464 |
| LL51 9EQ | Clynnog | 53.001663 | -4.302126 | 245614 | 347407 | SH456474 |
| LL51 9EX | Dolbenmaen | 52.976708 | -4.289314 | 246385 | 344604 | SH463446 |
| LL51 9EZ | Dolbenmaen | 52.969123 | -4.269909 | 247661 | 343719 | SH476437 |
| LL51 9HX | Dolbenmaen | 52.952785 | -4.195302 | 252615 | 341746 | SH526417 |
| LL51 9HZ | Dolbenmaen | 52.961036 | -4.229773 | 250328 | 342735 | SH503427 |
| LL51 9LJ | Dolbenmaen | 52.969948 | -4.259661 | 248352 | 343789 | SH483437 |
| LL51 9LQ | Dolbenmaen | 52.96727 | -4.252492 | 248824 | 343476 | SH488434 |
| LL51 9LX | Dolbenmaen | 52.9778 | -4.265181 | 248008 | 344674 | SH480446 |
| LL51 9LZ | Clynnog | 52.990609 | -4.272884 | 247537 | 346115 | SH475461 |
| LL51 9NJ | Dolbenmaen | 52.972649 | -4.238102 | 249809 | 344044 | SH498440 |
| LL51 9NQ | Dolbenmaen | 52.972555 | -4.237829 | 249827 | 344033 | SH498440 |
| LL51 9NX | Dolbenmaen | 52.973133 | -4.239095 | 249744 | 344100 | SH497440 |
| LL51 9NZ | Dolbenmaen | 52.973001 | -4.238477 | 249785 | 344084 | SH497440 |
| LL51 9PJ | Llanystumdwy | 52.95579 | -4.246208 | 249206 | 342186 | SH492421 |
| LL51 9PQ | Dolbenmaen | 52.960733 | -4.26198 | 248164 | 342769 | SH481427 |
| LL51 9RJ | Dolbenmaen | 52.966732 | -4.23239 | 250172 | 343374 | SH501433 |
| LL51 9RQ | Dolbenmaen | 52.964796 | -4.22678 | 250542 | 343147 | SH505431 |
| LL51 9RX | Dolbenmaen | 52.972123 | -4.236913 | 249887 | 343983 | SH498439 |
| LL51 9RZ | Dolbenmaen | 52.972986 | -4.236898 | 249891 | 344079 | SH498440 |
| LL51 9SJ | Dolbenmaen | 52.973357 | -4.239657 | 249707 | 344126 | SH497441 |
| LL51 9SQ | Dolbenmaen | 52.973399 | -4.238811 | 249764 | 344129 | SH497441 |
| LL51 9SX | Dolbenmaen | 52.973413 | -4.240494 | 249651 | 344134 | SH496441 |
| LL51 9SZ | Dolbenmaen | 52.972513 | -4.242458 | 249516 | 344038 | SH495440 |
| LL51 9TJ | Dolbenmaen | 52.970714 | -4.241993 | 249541 | 343837 | SH495438 |
| LL51 9TQ | Dolbenmaen | 52.972125 | -4.24153 | 249577 | 343993 | SH495439 |
| LL51 9TX | Dolbenmaen | 52.974566 | -4.24036 | 249664 | 344262 | SH496442 |
| LL51 9TZ | Dolbenmaen | 52.975928 | -4.231077 | 250292 | 344394 | SH502443 |
| LL51 9UJ | Dolbenmaen | 52.977767 | -4.244176 | 249419 | 344626 | SH494446 |
| LL51 9UQ | Dolbenmaen | 52.977951 | -4.235843 | 249979 | 344629 | SH499446 |
| LL51 9UX | Dolbenmaen | 52.982992 | -4.244119 | 249441 | 345207 | SH494452 |
| LL51 9YT | Dolbenmaen | 52.949636 | -4.182742 | 253448 | 341370 | SH534413 |
| LL51 9YU | Dolbenmaen | 52.958205 | -4.191035 | 252920 | 342340 | SH529423 |
| LL51 9YY | Dolbenmaen | 52.960056 | -4.20374 | 252073 | 342572 | SH520425 |
| LL51 9ZA | Gorllewin Porthmadog | 52.923437 | -4.166963 | 254420 | 338424 | SH544384 |
| LL52 0AA | Criccieth | 52.919997 | -4.234224 | 249887 | 338180 | SH498381 |
| LL52 0AB | Criccieth | 52.920356 | -4.234733 | 249854 | 338221 | SH498382 |
| LL52 0AD | Criccieth | 52.92094 | -4.234778 | 249853 | 338286 | SH498382 |
| LL52 0AE | Criccieth | 52.921428 | -4.234625 | 249865 | 338340 | SH498383 |
| LL52 0AF | Criccieth | 52.919379 | -4.233151 | 249957 | 338109 | SH499381 |
| LL52 0AG | Criccieth | 52.920544 | -4.232854 | 249981 | 338238 | SH499382 |
| LL52 0AH | Criccieth | 52.921222 | -4.232204 | 250027 | 338312 | SH500383 |
| LL52 0AL | Criccieth | 52.92069 | -4.231329 | 250084 | 338251 | SH500382 |
| LL52 0AN | Criccieth | 52.921262 | -4.232965 | 249976 | 338318 | SH499383 |
| LL52 0AP | Criccieth | 52.922353 | -4.234226 | 249895 | 338442 | SH498384 |
| LL52 0AQ | Criccieth | 52.918733 | -4.236896 | 249703 | 338045 | SH497380 |
| LL52 0AR | Criccieth | 52.923099 | -4.230873 | 250123 | 338518 | SH501385 |
| LL52 0AS | Criccieth | 52.922817 | -4.234429 | 249883 | 338494 | SH498384 |
| LL52 0AT | Criccieth | 52.923073 | -4.23468 | 249867 | 338523 | SH498385 |
| LL52 0AU | Criccieth | 52.923684 | -4.235187 | 249835 | 338592 | SH498385 |
| LL52 0AW | Criccieth | 52.921949 | -4.233238 | 249960 | 338395 | SH499383 |
| LL52 0AX | Criccieth | 52.916428 | -4.237565 | 249650 | 337790 | SH496377 |
| LL52 0AY | Criccieth | 52.921104 | -4.233716 | 249924 | 338302 | SH499383 |
| LL52 0AZ | Criccieth | 52.922161 | -4.234856 | 249852 | 338422 | SH498384 |
| LL52 0BA | Criccieth | 52.923243 | -4.235165 | 249835 | 338543 | SH498385 |
| LL52 0BB | Criccieth | 52.924226 | -4.235989 | 249783 | 338654 | SH497386 |
| LL52 0BD | Criccieth | 52.923823 | -4.238304 | 249626 | 338614 | SH496386 |
| LL52 0BE | Criccieth | 52.925337 | -4.237132 | 249710 | 338780 | SH497387 |
| LL52 0BF | Criccieth | 52.9257 | -4.236987 | 249721 | 338820 | SH497388 |
| LL52 0BG | Criccieth | 52.926587 | -4.239042 | 249586 | 338923 | SH495389 |
| LL52 0BH | Criccieth | 52.925687 | -4.239546 | 249549 | 338824 | SH495388 |
| LL52 0BJ | Criccieth | 52.926123 | -4.237917 | 249660 | 338869 | SH496388 |
| LL52 0BL | Criccieth | 52.924781 | -4.23752 | 249682 | 338719 | SH496387 |
| LL52 0BN | Criccieth | 52.924881 | -4.238418 | 249622 | 338732 | SH496387 |
| LL52 0BP | Criccieth | 52.92474 | -4.238292 | 249630 | 338716 | SH496387 |
| LL52 0BQ | Criccieth | 52.923243 | -4.235165 | 249835 | 338543 | SH498385 |
| LL52 0BR | Gorllewin Porthmadog | 52.930595 | -4.140106 | 256249 | 339166 | SH562391 |
| LL52 0BS | Criccieth | 52.91953 | -4.235628 | 249791 | 338131 | SH497381 |
| LL52 0BT | Criccieth | 52.919417 | -4.234477 | 249868 | 338116 | SH498381 |
| LL52 0BU | Criccieth | 52.918876 | -4.236487 | 249731 | 338060 | SH497380 |
| LL52 0BW | Criccieth | 52.918374 | -4.235434 | 249800 | 338002 | SH497380 |
| LL52 0BY | Criccieth | 52.919181 | -4.233646 | 249923 | 338088 | SH499380 |
| LL52 0DA | Criccieth | 52.919204 | -4.233365 | 249942 | 338090 | SH499380 |
| LL52 0DB | Criccieth | 52.918678 | -4.232163 | 250021 | 338029 | SH500380 |
| LL52 0DD | Criccieth | 52.91872 | -4.23328 | 249946 | 338036 | SH499380 |
| LL52 0DE | Criccieth | 52.918786 | -4.231722 | 250051 | 338040 | SH500380 |
| LL52 0DF | Criccieth | 52.919328 | -4.232508 | 250000 | 338102 | SH499381 |
| LL52 0DG | Criccieth | 52.917754 | -4.232546 | 249992 | 337927 | SH499379 |
| LL52 0DH | Criccieth | 52.917313 | -4.23303 | 249957 | 337879 | SH499378 |
| LL52 0DL | Criccieth | 52.917742 | -4.231757 | 250045 | 337924 | SH500379 |
| LL52 0DN | Criccieth | 52.917817 | -4.231107 | 250089 | 337931 | SH500379 |
| LL52 0DP | Criccieth | 52.917146 | -4.232352 | 250002 | 337859 | SH500378 |
| LL52 0DR | Criccieth | 52.916928 | -4.233456 | 249928 | 337837 | SH499378 |
| LL52 0DS | Criccieth | 52.917142 | -4.234017 | 249891 | 337862 | SH498378 |