Gwynedd postcodes - page 48 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?
LL77 7ER53.256518-4.312135245858375774SH458757Yes
LL77 7ES53.254489-4.311965245862375548SH458755No
LL77 7ET53.253685-4.311697245877375458SH458754Yes
LL77 7EU53.251328-4.313594245742375200SH457751Yes
LL77 7EW53.254985-4.311423245900375602SH458756No
LL77 7EX53.257884-4.324608245031375953SH450759Yes
LL77 7EY53.249248-4.314231245692374970SH456749Yes
LL77 7EZ53.255438-4.325555244959375683SH449756Yes
LL77 7FA53.248111-4.315819245582374847SH455748Yes
LL77 7FD53.259728-4.308845246089376124SH460761Yes
LL77 7FE53.249673-4.31271245795375014SH457750Yes
LL77 7GA53.256553-4.325091244994375806SH449758Yes
LL77 7GB53.2568-4.326738244885375837SH448758Yes
LL77 7GD53.246745-4.341107243890374750SH438747Yes
LL77 7GE53.244448-4.341791243836374496SH438744Yes
LL77 7GF53.257125-4.323442245106375866SH451758Yes
LL77 7GG53.257971-4.322019245204375957SH452759Yes
LL77 7GL53.269934-4.273251248499377183SH484771Yes
LL77 7HA53.252261-4.312775245800375302SH457753No
LL77 7HB53.251614-4.314629245674375234SH456752Yes
LL77 7HD53.249671-4.314704245662375018SH456750Yes
LL77 7HE53.255575-4.311589245891375668SH458756No
LL77 7HF53.250461-4.315226245630375107SH456751Yes
LL77 7HG53.255361-4.305911246269375632SH462756Yes
LL77 7HH53.255354-4.305356246306375630SH463756Yes
LL77 7HJ53.284897-4.343688243857378999SH438789Yes
LL77 7HL53.255203-4.304808246342375612SH463756No
LL77 7HN53.254886-4.302587246489375572SH464755Yes
LL77 7HP53.254018-4.299617246684375469SH466754Yes
LL77 7HQ53.284766-4.344821243781378987SH437789Yes
LL77 7HR53.254516-4.299419246699375524SH466755Yes
LL77 7HS53.254384-4.29367247082375497SH470754Yes
LL77 7HT53.255021-4.298891246736375579SH467755Yes
LL77 7HU53.255822-4.296985246866375664SH468756No
LL77 7HW53.253959-4.302627246483375469SH464754Yes
LL77 7HX53.291288-4.35016243449379724SH434797Yes
LL77 7HY53.256698-4.296312246914375760SH469757Yes
LL77 7HZ53.283827-4.331763244648378854SH446788Yes
LL77 7JA53.253702-4.30756246153375451SH461754Yes
LL77 7JB53.259817-4.326917244884376173SH448761Yes
LL77 7JD53.248012-4.302847246447374808SH464748Yes
LL77 7JE53.260488-4.326189244935376246SH449762Yes
LL77 7JF53.26122-4.322735245168376320SH451763Yes
LL77 7JG53.260821-4.323388245123376277SH451762Yes
LL77 7JH53.253702-4.30756246153375451SH461754Yes
LL77 7JR53.245331-4.340775243907374592SH439745Yes
LL77 7JS53.262981-4.363947242426376606SH424766Yes
LL77 7JU53.260983-4.324746245033376298SH450762Yes
LL77 7LA53.255943-4.298146246789375680SH467756Yes
LL77 7LB53.256806-4.299526246700375779SH466757Yes
LL77 7LD53.257779-4.298514246771375885SH467758Yes
LL77 7LE53.259086-4.299754246693376033SH466760Yes
LL77 7LF53.258682-4.297828246820375984SH468759Yes
LL77 7LG53.259059-4.299258246726376029SH467760Yes
LL77 7LH53.259026-4.298671246765376024SH467760Yes
LL77 7LJ53.266255-4.361188242622376964SH426769Yes
LL77 7LL53.258013-4.299921246678375914SH466759Yes
LL77 7LN53.255858-4.299775246680375674SH466756Yes
LL77 7LP53.258896-4.29607246938376004SH469760Yes
LL77 7LQ53.265087-4.35886242773376829SH427768Yes
LL77 7LR53.255655-4.311174245919375676SH459756Yes
LL77 7LS53.256781-4.311519245900375802SH458758No
LL77 7LT53.255947-4.311909245871375710SH458757Yes
LL77 7LU53.255674-4.311565245893375679SH458756Yes
LL77 7LX53.263929-4.375081241687376736SH416767Yes
LL77 7LY53.244336-4.343838243699374488SH436744Yes
LL77 7LZ53.264748-4.360566242658376795SH426767Yes
LL77 7NA53.255898-4.313466245767375708SH457757Yes
LL77 7NB53.256024-4.312543245829375720SH458757Yes
LL77 7ND53.256441-4.31471245686375771SH456757Yes
LL77 7NE53.256644-4.315785245615375796SH456757Yes
LL77 7NF53.257011-4.319133245393375844SH453758Yes
LL77 7NG53.256108-4.320269245314375746SH453757Yes
LL77 7NH53.257254-4.318172245458375869SH454758Yes
LL77 7NJ53.274163-4.309983246065377732SH460777Yes
LL77 7NL53.257623-4.319106245397375912SH453759Yes
LL77 7NN53.258347-4.322549245170376000SH451759Yes
LL77 7NP53.259946-4.324945245016376183SH450761Yes
LL77 7NQ53.27642-4.313225245857377990SH458779Yes
LL77 7NR53.259459-4.323149245134376125SH451761Yes
LL77 7NS53.259447-4.324258245060376126SH450761Yes
LL77 7NT53.260401-4.323245245131376230SH451762Yes
LL77 7NU53.254996-4.31736245504375616SH455756Yes
LL77 7NW53.258795-4.324448245045376054SH450760Yes
LL77 7NX53.275878-4.30871246156377920SH461779Yes
LL77 7NY53.254745-4.314078245722375581SH457755Yes
LL77 7NZ53.272961-4.306603246286377591SH462775Yes
LL77 7PA53.254691-4.315005245660375577SH456755Yes
LL77 7PB53.254966-4.315664245617375609SH456756Yes
LL77 7PD53.253983-4.313962245727375496SH457754Yes
LL77 7PE53.254564-4.316407245566375566SH455755Yes
LL77 7PF53.257074-4.316333245580375845SH455758Yes
LL77 7PG53.257243-4.32153245234375875SH452758Yes
LL77 7PH53.255925-4.310259245981375704SH459757Yes
LL77 7PJ53.264861-4.34844243467376781SH434767Yes
LL77 7PL53.25576-4.308571246093375682SH460756No
LL77 7PN53.255693-4.308282246112375674SH461756Yes
LL77 7PP53.256102-4.305276246314375713SH463757Yes
LL77 7PQ53.266135-4.335808244314376895SH443768Yes
LL77 7PR53.256469-4.305835246278375755SH462757Yes
LL77 7PS53.25605-4.307522246164375712SH461757Yes
LL77 7PT53.256672-4.30835246111375783SH461757Yes
LL77 7PU53.256853-4.306905246208375800SH462757Yes
LL77 7PW53.25578-4.306098246258375679SH462756Yes
LL77 7PX53.279028-4.345842243692378351SH436783Yes
LL77 7PY53.259609-4.307099246205376107SH462761Yes
LL77 7PZ53.284661-4.361529242667379012SH426790Yes
LL77 7QA53.25416-4.3164245565375521SH455755Yes
LL77 7QD53.258376-4.319207245393375996SH453759Yes
LL77 7QE53.259204-4.321456245246376093SH452760Yes
LL77 7QF53.257099-4.308103246129375830SH461758Yes
LL77 7QG53.249334-4.324609245000375002SH449750No
LL77 7QH53.249334-4.324609245000375002SH449750No
LL77 7QQ53.249334-4.324609245000375002SH449750No
LL77 7QX53.25617-4.318008245465375748SH454757Yes
LL77 7QY53.256639-4.317449245504375799SH455757Yes
LL77 7QZ53.257855-4.321518245237375943SH452759No
LL77 7RA53.259721-4.308274246127376122SH461761No
LL77 7RB53.25913-4.308183246131376056SH461760Yes
LL77 7RD53.258398-4.305594246301375969SH463759Yes
LL77 7RE53.257839-4.306104246265375908SH462759Yes
LL77 7RF53.257804-4.302819246484375897SH464758Yes
LL77 7RG53.2571-4.301536246567375816SH465758Yes
LL77 7RH53.255478-4.301734246548375636SH465756Yes
LL77 7RJ53.27991-4.310353246061378372SH460783Yes
LL77 7RL53.256682-4.301769246550375770SH465757Yes
LL77 7RN53.25592-4.303062246461375688SH464756Yes
LL77 7RP53.261269-4.300741246635376278SH466762Yes
LL77 7RQ53.279258-4.317998245549378316SH455783Yes
LL77 7RR53.255229-4.303475246431375612SH464756Yes
LL77 7RS53.256947-4.300614246628375797SH466757Yes
LL77 7RT53.254634-4.30959246021375559SH460755Yes
LL77 7RU53.257766-4.307075246200375902SH461759No
LL77 7RW53.255932-4.302463246501375688SH465756Yes
LL77 7RX53.278734-4.316785245628378255SH456782Yes
LL77 7RY53.263108-4.294931247029376470SH470764Yes
LL77 7RZ53.275707-4.318901245476377923SH454779Yes
LL77 7SA53.26887-4.290321247357377101SH473771Yes
LL77 7SB53.264633-4.284351247740376617SH477766Yes
LL77 7SD53.259684-4.285977247614376070SH476760Yes
LL77 7SE53.248707-4.292931247111374864SH471748Yes
LL77 7SF53.248762-4.278813248053374840SH480748Yes
LL77 7SG53.249516-4.263803249057374892SH490748Yes
LL77 7SH53.251165-4.256005249583375059SH495750Yes
LL77 7SJ53.271738-4.312672245877377468SH458774Yes
LL77 7SL53.252637-4.262319249167375236SH491752Yes
LL77 7SN53.26085-4.259229249402376143SH494761Yes
LL77 7SP53.267703-4.264345249085376916SH490769Yes
LL77 7SQ53.269978-4.303713246468377253SH464772Yes
LL77 7SR53.268123-4.266361248952376967SH489769Yes
LL77 7SS53.268846-4.26568249000377046SH489770Yes
LL77 7ST53.269604-4.265525249013377130SH490771Yes
LL77 7SU53.270035-4.264138249107377175SH491771Yes
LL77 7SW53.264976-4.267305248878376619SH488766Yes
LL77 7SX53.268845-4.31532245690377152SH456771Yes
LL77 7SY53.270465-4.266575248946377228SH489772Yes
LL77 7SZ53.263494-4.322768245174376573SH451765Yes
LL77 7TA53.275294-4.259931249406377751SH494777Yes
LL77 7TB53.27308-4.269998248727377526SH487775Yes
LL77 7TD53.271007-4.270698248673377297SH486772Yes
LL77 7TE53.268865-4.275549248342377069SH483770Yes
LL77 7TF53.267884-4.272302248555376953SH485769Yes
LL77 7TG53.273597-4.27352248494377591SH484775Yes
LL77 7TH53.27694-4.273578248502377963SH485779Yes
LL77 7TJ53.26164-4.309922246024376339SH460763Yes
LL77 7TL53.249321-4.312796245788374975SH457749Yes
LL77 7TN53.247738-4.312351245812374798SH458747No
LL77 7TP53.254242-4.311248245909375519SH459755No
LL77 7TQ53.263965-4.313347245804376605SH458766Yes
LL77 7TR53.255883-4.311471245900375702SH458757No
LL77 7TS53.25524-4.312636245820375633SH458756Yes
LL77 7TT53.24828-4.312215245823374858SH458748Yes
LL77 7TU53.248669-4.312581245800374902SH457749No
LL77 7TW53.253046-4.309879245996375383SH459753Yes
LL77 7TX53.25485-4.307727246146375579SH461755Yes
LL77 7TY53.245302-4.343171243747374594SH437745Yes
LL77 7TZ53.255043-4.308427246100375602SH460756No
LL77 7UA53.268518-4.272996248511377025SH485770Yes
LL77 7UB53.260082-4.326692244900376202SH448762No
LL77 7UD53.279109-4.288514247514378236SH475782Yes
LL77 7UE53.281691-4.294967247093378537SH470785Yes
LL77 7UF53.280512-4.30668246308378431SH463784Yes
LL77 7UG53.287678-4.311777245994379239SH459792Yes
LL77 7UH53.294533-4.303654246560379984SH465799Yes
LL77 7UJ53.255883-4.311471245900375702SH458757No
LL77 7UL53.296353-4.317829245622380217SH456802Yes
LL77 7UN53.290469-4.320361245432379568SH454795Yes
LL77 7UP53.296928-4.320156245469380286SH454802Yes
LL77 7UQ53.295401-4.313605245900380102SH458801No
LL77 7UR53.312237-4.316123245793381980SH457819Yes
LL77 7UT53.320018-4.311784246110382836SH461828Yes
LL77 7UU53.291263-4.282517247957379575SH479795Yes
LL77 7UW53.292032-4.324557245158379751SH451797Yes
LL77 7UX53.249935-4.307103246170375031SH461750No
LL77 7UZ53.25298-4.306337246232375368SH462753No
LL77 7WA53.259546-4.301038246609376087SH466760Yes
LL77 7WB53.258705-4.301802246555375995SH465759Yes
LL77 7WD53.258651-4.303629246433375993SH464759Yes
LL77 7WY53.254475-4.311755245876375546SH458755Yes
LL77 7XA53.249388-4.302351246485374960SH464749Yes
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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