Postcodes in Gwynedd page 27 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

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
LL52 0DT Criccieth 52.916732 -4.233833 249902 337816 SH499378
LL52 0DU Criccieth 52.916655 -4.234096 249884 337808 SH498378
LL52 0DW Criccieth 52.919918 -4.238906 249572 338181 SH495381
LL52 0DY Criccieth 52.916579 -4.233378 249932 337798 SH499377
LL52 0EA Criccieth 52.915889 -4.234191 249875 337723 SH498377
LL52 0EB Criccieth 52.916017 -4.234525 249853 337738 SH498377
LL52 0ED Criccieth 52.916182 -4.234399 249862 337756 SH498377
LL52 0EE Criccieth 52.916469 -4.234429 249861 337788 SH498377
LL52 0EF Criccieth 52.915723 -4.235848 249763 337708 SH497377
LL52 0EG Criccieth 52.915941 -4.237139 249677 337735 SH496377
LL52 0EH Criccieth 52.916217 -4.23635 249731 337764 SH497377
LL52 0EJ Criccieth 52.916363 -4.23957 249515 337787 SH495377
LL52 0EL Criccieth 52.915574 -4.237551 249648 337695 SH496376
LL52 0EN Criccieth 52.915765 -4.23887 249560 337719 SH495377
LL52 0EP Criccieth 52.916521 -4.238329 249599 337802 SH495378
LL52 0ER Criccieth 52.916279 -4.240205 249472 337779 SH494377
LL52 0ES Criccieth 52.917263 -4.237638 249648 337883 SH496378
LL52 0EY Criccieth 52.919496 -4.233648 249924 338123 SH499381
LL52 0HA Criccieth 52.919514 -4.233173 249955 338124 SH499381
LL52 0HB Criccieth 52.919789 -4.231431 250074 338151 SH500381
LL52 0HD Criccieth 52.919498 -4.232086 250029 338120 SH500381
LL52 0HE Criccieth 52.919516 -4.231611 250061 338121 SH500381
LL52 0HF Criccieth 52.919191 -4.231653 250057 338085 SH500380
LL52 0HG Criccieth 52.918832 -4.231174 250088 338044 SH500380
LL52 0HH Criccieth 52.919067 -4.231097 250094 338070 SH500380
LL52 0HL Criccieth 52.918323 -4.230508 250131 337986 SH501379
LL52 0HN Criccieth 52.918928 -4.230822 250112 338054 SH501380
LL52 0HP Criccieth 52.920479 -4.228194 250294 338221 SH502382
LL52 0HQ Criccieth 52.920191 -4.23111 250097 338195 SH500381
LL52 0HR Criccieth 52.921626 -4.224549 250543 338341 SH505383
LL52 0HS Criccieth 52.919184 -4.233007 249966 338087 SH499380
LL52 0HT Criccieth 52.920693 -4.223995 250577 338236 SH505382
LL52 0HU Criccieth 52.919861 -4.223283 250622 338142 SH506381
LL52 0HW Criccieth 52.919261 -4.229872 250177 338089 SH501380
LL52 0HY Criccieth 52.9206 -4.222205 250697 338222 SH506382
LL52 0HZ Criccieth 52.91997 -4.224642 250531 338157 SH505381
LL52 0LA Criccieth 52.920763 -4.219298 250893 338234 SH508382
LL52 0LB Criccieth 52.920871 -4.229806 250187 338268 SH501382
LL52 0LD Criccieth 52.922465 -4.22968 250201 338445 SH502384
LL52 0LE Criccieth 52.925274 -4.228068 250319 338754 SH503387
LL52 0LF Criccieth 52.921631 -4.228119 250303 338349 SH503383
LL52 0LG Criccieth 52.922101 -4.228977 250247 338403 SH502384
LL52 0LJ Llanystumdwy 52.916721 -4.297586 245616 337950 SH456379
LL52 0LL Criccieth 52.920583 -4.242272 249348 338262 SH493382
LL52 0LN Criccieth 52.922734 -4.240747 249458 338498 SH494384
LL52 0LP Llanystumdwy 52.929916 -4.258869 248265 339335 SH482393
LL52 0LR Llanystumdwy 52.922875 -4.279137 246878 338595 SH468385
LL52 0LS Llanystumdwy 52.920223 -4.281497 246710 338305 SH467383
LL52 0LT Llanystumdwy 52.922245 -4.293222 245929 338555 SH459385
LL52 0LU Llanystumdwy 52.929813 -4.275113 247172 339358 SH471393
LL52 0LW Llanystumdwy 52.924934 -4.257985 248307 338779 SH483387
LL52 0LY Llanystumdwy 52.935138 -4.269365 247578 339938 SH475399
LL52 0NA Llanystumdwy 52.936104 -4.265383 247848 340037 SH478400
LL52 0NB Llanystumdwy 52.938458 -4.255088 248549 340277 SH485402
LL52 0ND Llanystumdwy 52.936571 -4.252177 248738 340061 SH487400
LL52 0NF Llanystumdwy 52.937363 -4.242143 249415 340128 SH494401
LL52 0NG Llanystumdwy 52.940166 -4.235561 249867 340426 SH498404
LL52 0NH Llanystumdwy 52.931667 -4.247637 249026 339506 SH490395
LL52 0NL Llanystumdwy 52.943307 -4.261071 248163 340829 SH481408
LL52 0NN Llanystumdwy 52.94431 -4.26081 248185 340940 SH481409
LL52 0NP Llanystumdwy 52.952126 -4.257347 248445 341802 SH484418
LL52 0NR Llanystumdwy 52.952469 -4.262472 248101 341851 SH481418
LL52 0NS Llanystumdwy 52.950174 -4.269229 247640 341610 SH476416
LL52 0NT Llanystumdwy 52.952588 -4.284481 246624 341911 SH466419
LL52 0NU Llanystumdwy 52.958435 -4.301109 245527 342597 SH455425
LL52 0NW Llanystumdwy 52.946878 -4.26148 248149 341227 SH481412
LL52 0NY Llanystumdwy 52.964445 -4.292552 246124 343247 SH461432
LL52 0PA Llanystumdwy 52.956484 -4.27495 247277 342324 SH472423
LL52 0PB Llanystumdwy 52.944309 -4.277808 247043 340976 SH470409
LL52 0PD Llanystumdwy 52.934134 -4.284193 246578 339858 SH465398
LL52 0PE Dolbenmaen 52.934481 -4.197619 252397 339715 SH523397
LL52 0PF Criccieth 52.931339 -4.215271 251200 339402 SH511394
LL52 0PH Criccieth 52.928948 -4.23159 250095 339170 SH500391
LL52 0PL Criccieth 52.925663 -4.233221 249974 338808 SH499388
LL52 0PN Llanystumdwy 52.934827 -4.238351 249661 339838 SH496398
LL52 0PP Criccieth 52.92191 -4.220428 250821 338364 SH508383
LL52 0PR Criccieth 52.921371 -4.220921 250786 338305 SH507383
LL52 0PS Criccieth 52.927166 -4.218257 250985 338944 SH509389
LL52 0PT Dolbenmaen 52.933208 -4.198417 252339 339575 SH523395
LL52 0PU Dolbenmaen 52.934783 -4.191518 252808 339736 SH528397
LL52 0PW Dolbenmaen 52.945302 -4.222549 250759 340970 SH507409
LL52 0PY Dolbenmaen 52.93526 -4.19245 252747 339791 SH527397
LL52 0RA Dolbenmaen 52.934483 -4.198988 252305 339718 SH523397
LL52 0RB Dolbenmaen 52.938456 -4.202434 252087 340167 SH520401
LL52 0RD Dolbenmaen 52.945965 -4.192188 252801 340981 SH528409
LL52 0RE Dolbenmaen 52.948097 -4.204725 251966 341244 SH519412
LL52 0RF Dolbenmaen 52.951812 -4.216243 251205 341681 SH512416
LL52 0RG Criccieth 52.925738 -4.240679 249473 338832 SH494388
LL52 0RN Criccieth 52.918993 -4.237415 249669 338075 SH496380
LL52 0RP Criccieth 52.920098 -4.240804 249445 338205 SH494382
LL52 0RR Criccieth 52.918448 -4.240585 249454 338021 SH494380
LL52 0RS Criccieth 52.916796 -4.243787 249233 337844 SH492378
LL52 0RT Criccieth 52.917091 -4.240991 249422 337871 SH494378
LL52 0RU Criccieth 52.91644 -4.241701 249372 337800 SH493377
LL52 0RW Criccieth 52.918596 -4.237484 249663 338031 SH496380
LL52 0RY Criccieth 52.918984 -4.241714 249380 338083 SH493380
LL52 0SA Llanystumdwy 52.921007 -4.251205 248749 338328 SH487383
LL52 0SB Llanystumdwy 52.918712 -4.261276 248064 338094 SH480380
LL52 0SD Llanystumdwy 52.919895 -4.264804 247831 338233 SH478382
LL52 0SE Llanystumdwy 52.920255 -4.264748 247836 338273 SH478382
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