Gwynedd postcodes - page 50 County

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This page provides postcode data for the Gwynedd Welsh preserved county. Gwynedd contains approximately 83,044 households with a population of about 191,569 (2011 census)

Postcode Latitude Longitude Easting Northing Grid reference Active?
SY20 9NF52.676432-3.70775284636310117SH846101Yes
SY20 9NG52.682719-3.705687284792310813SH847108Yes
SY20 9NH52.696838-3.712927284340312395SH843123Yes
SY20 9NQ52.691767-3.696067285466311804SH854118Yes
SY20 9QA52.679968-3.717533283984310526SH839105Yes
SY20 9QH52.676733-3.708693284573310152SH845101Yes
SY20 9QJ52.676219-3.7082284605310094SH846100Yes
SY20 9QL52.676673-3.710348284461310148SH844101Yes
SY20 9QN52.677375-3.710316284465310226SH844102Yes
SY20 9QR52.67921-3.73379282883310468SH828104No
SY20 9QW52.677167-3.709154284543310201SH845102Yes
SY20 9QY52.60134-3.85369274554302009SH745020Yes
SY20 9QZ52.603851-3.845438275120302274SH751022Yes
SY20 9RA52.610645-3.84624275085303031SH750030Yes
SY20 9RD52.6462-3.844767275286306983SH752069Yes
SY20 9RE52.652978-3.845436275260307738SH752077Yes
SY20 9RF52.654234-3.849673274977307885SH749078Yes
SY20 9RG52.663102-3.8638274047308896SH740088Yes
SY20 9RH52.669034-3.86738273823309562SH738095Yes
SY20 9RJ52.655391-3.840614275594307998SH755079Yes
SY20 9RL52.6568-3.838485275742308151SH757081Yes
SY20 9RN52.657322-3.837295275823308207SH758082Yes
SY20 9RP52.663789-3.827777276485308910SH764089Yes
SY20 9RQ52.663331-3.864682273989308923SH739089Yes
SY20 9RR52.666154-3.823113276808309165SH768091Yes
SY20 9RS52.669993-3.820759276977309588SH769095Yes
SY20 9RT52.670426-3.820082277024309635SH770096Yes
SY20 9RU52.671824-3.820421277005309791SH770097Yes
SY20 9RW52.662854-3.829571276362308809SH763088Yes
SY20 9RX52.67277-3.819691277058309895SH770098Yes
SY20 9RY52.672915-3.819046277102309910SH771099Yes
SY20 9RZ52.678125-3.808168277852310471SH778104Yes
SY20 9SA52.67974-3.813102277523310659SH775106Yes
SY20 9SB52.67619-3.828235276490310290SH764102Yes
SY20 9SD52.653385-3.841816275507307777SH755077Yes
SY20 9SH52.653519-3.842443275464307793SH754077Yes
SY20 9SJ52.65163-3.842511275455307583SH754075Yes
SY20 9SL52.652584-3.843039275422307690SH754076Yes
SY20 9SN52.652441-3.843004275423307674SH754076Yes
SY20 9SP52.654538-3.842249275481307906SH754079Yes
SY20 9SR52.654247-3.842474275464307874SH754078Yes
SY20 9SS52.654336-3.841945275500307883SH755078Yes
SY20 9ST52.689294-3.741336282400311602SH823116No
SY20 9SU52.654219-3.841393275537307869SH755078Yes
SY20 9SW52.654587-3.842577275458307912SH754079Yes
SY20 9SX52.654452-3.841462275533307895SH755078Yes
SY20 9SY52.654338-3.84125275548307882SH755078Yes
SY20 9SZ52.653927-3.840509275596307835SH755078Yes
SY20 9TA52.653645-3.840142275620307803SH756078Yes
SY20 9TB52.653589-3.839667275652307796SH756077Yes
SY20 9TD52.653697-3.83908275692307807SH756078Yes
SY20 9TE52.653834-3.838967275700307822SH757078Yes
SY20 9TH52.654879-3.842899275438307945SH754079Yes
SY20 9TJ52.655056-3.841916275504307963SH755079Yes
SY20 9TL52.655161-3.843266275413307977SH754079Yes
SY20 9TN52.655304-3.843864275373307994SH753079Yes
SY20 9TP52.655607-3.844616275323308029SH753080No
SY20 9TQ52.655345-3.84357275393307998SH753079Yes
SY20 9TR52.655735-3.845064275294308044SH752080No
SY20 9TS52.656279-3.847645275120308109SH751081Yes
SY20 9TT52.656909-3.848204275084308180SH750081Yes
SY20 9TW52.655405-3.844341275341308006SH753080Yes
SY20 9WD52.655387-3.84434275341308004SH753080No
SY20 9WL52.654461-3.844922275299307902SH752079No
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




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