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
Active postcode
Postcode no longer in use| Postcode | Ward | Latitude | Longitude | Easting | Northing | Grid ref |
|---|---|---|---|---|---|---|
| SY20 9LP | Corris a Mawddwy | 52.711869 | -3.689874 | 285937 | 314030 | SH859140 |
| SY20 9LR | Corris a Mawddwy | 52.709302 | -3.690811 | 285867 | 313746 | SH858137 |
| SY20 9LS | Corris a Mawddwy | 52.709576 | -3.690496 | 285889 | 313776 | SH858137 |
| SY20 9LT | Corris a Mawddwy | 52.708529 | -3.692039 | 285782 | 313662 | SH857136 |
| SY20 9LU | Corris a Mawddwy | 52.710303 | -3.6919 | 285796 | 313859 | SH857138 |
| SY20 9LW | Corris a Mawddwy | 52.71334 | -3.690138 | 285923 | 314194 | SH859141 |
| SY20 9LX | Corris a Mawddwy | 52.727756 | -3.711176 | 284540 | 315831 | SH845158 |
| SY20 9ND | Corris a Mawddwy | 52.673956 | -3.709206 | 284531 | 309844 | SH845098 |
| SY20 9NE | Corris a Mawddwy | 52.674183 | -3.709112 | 284537 | 309869 | SH845098 |
| SY20 9NF | Corris a Mawddwy | 52.676432 | -3.70775 | 284636 | 310117 | SH846101 |
| SY20 9NG | Corris a Mawddwy | 52.682719 | -3.705687 | 284792 | 310813 | SH847108 |
| SY20 9NH | Corris a Mawddwy | 52.687207 | -3.708718 | 284599 | 311317 | SH845113 |
| SY20 9NQ | Corris a Mawddwy | 52.691767 | -3.696067 | 285466 | 311804 | SH854118 |
| SY20 9QA | Corris a Mawddwy | 52.679968 | -3.717533 | 283984 | 310526 | SH839105 |
| SY20 9QH | Corris a Mawddwy | 52.676733 | -3.708693 | 284573 | 310152 | SH845101 |
| SY20 9QJ | Corris a Mawddwy | 52.676219 | -3.7082 | 284605 | 310094 | SH846100 |
| SY20 9QL | Corris a Mawddwy | 52.676673 | -3.710348 | 284461 | 310148 | SH844101 |
| SY20 9QN | Corris a Mawddwy | 52.677419 | -3.710377 | 284461 | 310231 | SH844102 |
| SY20 9QR | Corris a Mawddwy | 52.67921 | -3.73379 | 282883 | 310468 | SH828104 |
| SY20 9QW | Corris a Mawddwy | 52.677168 | -3.70908 | 284548 | 310201 | SH845102 |
| SY20 9QY | Corris a Mawddwy | 52.60134 | -3.85369 | 274554 | 302009 | SH745020 |
| SY20 9QZ | Corris a Mawddwy | 52.603851 | -3.845438 | 275120 | 302274 | SH751022 |
| SY20 9RA | Corris a Mawddwy | 52.610645 | -3.84624 | 275085 | 303031 | SH750030 |
| SY20 9RD | Corris a Mawddwy | 52.6462 | -3.844767 | 275286 | 306983 | SH752069 |
| SY20 9RE | Corris a Mawddwy | 52.652978 | -3.845436 | 275260 | 307738 | SH752077 |
| SY20 9RF | Corris a Mawddwy | 52.654234 | -3.849673 | 274977 | 307885 | SH749078 |
| SY20 9RG | Corris a Mawddwy | 52.663102 | -3.8638 | 274047 | 308896 | SH740088 |
| SY20 9RH | Corris a Mawddwy | 52.669034 | -3.86738 | 273823 | 309562 | SH738095 |
| SY20 9RJ | Corris a Mawddwy | 52.655391 | -3.840614 | 275594 | 307998 | SH755079 |
| SY20 9RL | Corris a Mawddwy | 52.6568 | -3.838485 | 275742 | 308151 | SH757081 |
| SY20 9RN | Corris a Mawddwy | 52.657322 | -3.837295 | 275823 | 308207 | SH758082 |
| SY20 9RP | Corris a Mawddwy | 52.663789 | -3.827777 | 276485 | 308910 | SH764089 |
| SY20 9RQ | Corris a Mawddwy | 52.663331 | -3.864682 | 273989 | 308923 | SH739089 |
| SY20 9RR | Corris a Mawddwy | 52.666154 | -3.823113 | 276808 | 309165 | SH768091 |
| SY20 9RS | Corris a Mawddwy | 52.669993 | -3.820759 | 276977 | 309588 | SH769095 |
| SY20 9RT | Corris a Mawddwy | 52.670426 | -3.820082 | 277024 | 309635 | SH770096 |
| SY20 9RU | Corris a Mawddwy | 52.671824 | -3.820421 | 277005 | 309791 | SH770097 |
| SY20 9RW | Corris a Mawddwy | 52.662854 | -3.829571 | 276362 | 308809 | SH763088 |
| SY20 9RX | Corris a Mawddwy | 52.67277 | -3.819691 | 277058 | 309895 | SH770098 |
| SY20 9RY | Corris a Mawddwy | 52.672915 | -3.819046 | 277102 | 309910 | SH771099 |
| SY20 9RZ | Corris a Mawddwy | 52.678125 | -3.808168 | 277852 | 310471 | SH778104 |
| SY20 9SA | Corris a Mawddwy | 52.67974 | -3.813102 | 277523 | 310659 | SH775106 |
| SY20 9SB | Corris a Mawddwy | 52.67619 | -3.828235 | 276490 | 310290 | SH764102 |
| SY20 9SD | Corris a Mawddwy | 52.653385 | -3.841816 | 275507 | 307777 | SH755077 |
| SY20 9SH | Corris a Mawddwy | 52.653519 | -3.842443 | 275464 | 307793 | SH754077 |
| SY20 9SJ | Corris a Mawddwy | 52.65163 | -3.842511 | 275455 | 307583 | SH754075 |
| SY20 9SL | Corris a Mawddwy | 52.652584 | -3.843039 | 275422 | 307690 | SH754076 |
| SY20 9SN | Corris a Mawddwy | 52.652441 | -3.843004 | 275423 | 307674 | SH754076 |
| SY20 9SP | Corris a Mawddwy | 52.654538 | -3.842249 | 275481 | 307906 | SH754079 |
| SY20 9SR | Corris a Mawddwy | 52.654247 | -3.842474 | 275464 | 307874 | SH754078 |
| SY20 9SS | Corris a Mawddwy | 52.654336 | -3.841945 | 275500 | 307883 | SH755078 |
| SY20 9ST | Corris a Mawddwy | 52.689294 | -3.741336 | 282400 | 311602 | SH823116 |
| SY20 9SU | Corris a Mawddwy | 52.654219 | -3.841393 | 275537 | 307869 | SH755078 |
| SY20 9SW | Corris a Mawddwy | 52.654587 | -3.842577 | 275458 | 307912 | SH754079 |
| SY20 9SX | Corris a Mawddwy | 52.654452 | -3.841462 | 275533 | 307895 | SH755078 |
| SY20 9SY | Corris a Mawddwy | 52.654338 | -3.84125 | 275548 | 307882 | SH755078 |
| SY20 9SZ | Corris a Mawddwy | 52.65397 | -3.840614 | 275589 | 307840 | SH755078 |
| SY20 9TA | Corris a Mawddwy | 52.653645 | -3.840142 | 275620 | 307803 | SH756078 |
| SY20 9TB | Corris a Mawddwy | 52.653589 | -3.839667 | 275652 | 307796 | SH756077 |
| SY20 9TD | Corris a Mawddwy | 52.653697 | -3.83908 | 275692 | 307807 | SH756078 |
| SY20 9TE | Corris a Mawddwy | 52.653834 | -3.838967 | 275700 | 307822 | SH757078 |
| SY20 9TH | Corris a Mawddwy | 52.654879 | -3.842899 | 275438 | 307945 | SH754079 |
| SY20 9TJ | Corris a Mawddwy | 52.655085 | -3.841814 | 275511 | 307966 | SH755079 |
| SY20 9TL | Corris a Mawddwy | 52.655161 | -3.843266 | 275413 | 307977 | SH754079 |
| SY20 9TN | Corris a Mawddwy | 52.655296 | -3.843804 | 275377 | 307993 | SH753079 |
| SY20 9TP | Corris a Mawddwy | 52.655607 | -3.844616 | 275323 | 308029 | SH753080 |
| SY20 9TQ | Corris a Mawddwy | 52.655345 | -3.84357 | 275393 | 307998 | SH753079 |
| SY20 9TR | Corris a Mawddwy | 52.655735 | -3.845064 | 275294 | 308044 | SH752080 |
| SY20 9TS | Corris a Mawddwy | 52.656279 | -3.847645 | 275120 | 308109 | SH751081 |
| SY20 9TT | Corris a Mawddwy | 52.656909 | -3.848204 | 275084 | 308180 | SH750081 |
| SY20 9TW | Corris a Mawddwy | 52.655405 | -3.844341 | 275341 | 308006 | SH753080 |
| SY20 9WD | Corris a Mawddwy | 52.655387 | -3.84434 | 275341 | 308004 | SH753080 |
| SY20 9WL | Corris a Mawddwy | 52.654461 | -3.844922 | 275299 | 307902 | SH752079 |