| Reference | post code | location 1 | location 2 | 
| LL53 1 |  | TRAETH | SAND STREET | 
| LL53 2 |  | LLANGYBI BOX |  | 
| LL53 4 |  | NANHORON |  | 
| LL53 5 |  | LON GOCH |  | 
| LL53 6 |  | EFAILNEWYDD POST OFFICE |  | 
| LL53 7 |  | LLANGIAN POST OFFICE |  | 
| LL53 8 |  | PLASGWYN |  | 
| LL53 10 |  | SOUTH BEACH POST OFFICE |  | 
| LL53 11 |  | PENBODLAS |  | 
| LL53 12 |  | MORFA ROAD |  | 
| LL53 13 |  | PENLAN | PENLAN STREET | 
| LL53 14 |  | ABERERCH ROAD POST OFFICE |  | 
| LL53 15 |  | ERWGOCH |  | 
| LL53 16 |  | PENYCAERAU |  | 
| LL53 17 |  | PENTREUCHAF |  | 
| LL53 18 |  | GLYNYWEDDW |  | 
| LL53 19 |  | RHYDLIOS |  | 
| LL53 20 |  | PWLLHELI DELIVERY OFFICE |  | 
| LL53 21 |  | UWCHMYNYDD |  | 
| LL53 22 |  | WEST END POST OFFICE |  | 
| LL53 23 |  | BODUAN HALL |  | 
| LL53 24 |  | EDERN POST OFFICE |  | 
| LL53 25 |  | CAPEL PENTREUCHAF |  | 
| LL53 26 |  | LLWYNHUDOL |  | 
| LL53 27 |  | BWLCHTOCYN POST OFFICE |  | 
| LL53 28 |  | PENRHOS | GROESLON PGRS | 
| LL53 29 |  | CAPEL CILAN | CILAN CHAPEL | 
| LL53 30 |  | BRYNMAWR |  | 
| LL53 31 |  | LLANGWNNADL BOX |  | 
| LL53 32 |  | HEBRON |  | 
| LL53 33 |  | PISTYLL |  | 
| LL53 34 |  | PENYGOPPA |  | 
| LL53 35 |  | PLASYFFORDD |  | 
| LL53 36 |  | GROESLON GWYDRYN |  | 
| LL53 37 |  | BODORWEL | ABER ERECH ROAD | 
| LL53 39 |  | LODGE ISAF |  | 
| LL53 40 |  | BODGADLE |  | 
| LL53 41 |  | RHIW RECTORY |  | 
| LL53 42 |  | BODLONDEB |  | 
| LL53 43 |  | TY MAWR |  | 
| LL53 44 |  | TY NEWYDD |  | 
| LL53 45 |  | GARN FADRYN |  | 
| LL53 46 |  | PONTFORGAN |  | 
| LL53 47 |  | BRYNCYNAN |  | 
| LL53 48 |  | TYDDYN DU |  | 
| LL53 49 |  | LLANENGAN |  | 
| LL53 50 |  | PENGRAIG | PENCRAIG PLAS | 
| LL53 51 |  | RHYDYCLAFDY BOX |  | 
| LL53 52 |  | EIFIONYDD POST OFFICE | EFIONYDD FARMERS, NEW STREET | 
| LL53 53 |  | ANELOG |  | 
| LL53 54 |  | AFONWEN TERRACE |  | 
| LL53 55 |  | PANDY | LLANYSTUMDWY | 
| LL53 56 |  | BRYNFFYNNON |  | 
| LL53 57 |  | CAERHENDRE | CHWILOG | 
| LL53 58 |  | EFAIL PENSARN | PENCANEWYDD | 
| LL53 59 |  | GLASFRYN LODGE |  | 
| LL53 60 |  | GROESLON DULWYN |  | 
| LL53 61 |  | LLANARMON |  | 
| LL53 62 |  | LLANGYBI STATION |  | 
| LL53 63 |  | LLWYNDYRUS |  | 
| LL53 64 |  | SARDIS | PENCAENEWYDD | 
| LL53 65 |  | TALYBONT | NEAR BUTLINS CHWILOG | 
| LL53 66 |  | PENCAENEWYDD POST OFFICE |  | 
| LL53 67 |  | UPPER TRALLWYN LODGE |  | 
| LL53 68 |  | YSGUBOR FAWR | CHWILOG | 
| LL53 69 |  | Y FFOR POST OFFICE |  | 
| LL53 70 |  | ABERSOCH POST OFFICE |  | 
| LL53 71 |  | LLANNOR POST OFFICE |  | 
| LL53 72 |  | CEIDIO |  | 
| LL53 73 |  | TANYMYNYDD |  | 
| LL53 74 |  | KNOCKRONAN |  | 
| LL53 75 |  | WYLFA |  | 
| LL53 76 |  | LLANBEDROG POST OFFICE |  | 
| LL53 77 |  | DINAS | GROESLON DINAS | 
| LL53 78 |  | TYNPWLL |  | 
| LL53 79 |  | TANYDDERWEN |  | 
| LL53 80 |  | BWLCH |  | 
| LL53 81 |  | LINKSWAY |  | 
| LL53 82 |  | MADRYN CASTLE |  | 
| LL53 83 |  | YR ALA | ALA ROAD | 
| LL53 84 |  | DENIO |  | 
| LL53 85 |  | PLASDU |  | 
| LL53 86 |  | LLANBEDROG VILLAGE |  | 
| LL53 87 |  | PENYGROESLON |  | 
| LL53 90 |  | GROESFFORDD | EDERN POST OFFICE | 
| LL53 91 |  | MORFA NEFYN POST OFFICE |  | 
| LL53 92 |  | NEFYN POST OFFICE |  | 
| LL53 93 |  | MYNYTHO POST OFFICE |  | 
| LL53 94 |  | BRO GWYLWYR |  | 
| LL53 95 |  | PRYSGOL RHOS |  | 
| LL53 96 |  | LLIDIARDAU | LLIARDAU, RHOSHIRWAEN | 
| LL53 97 |  | FRONOLEU |  | 
| LL53 98 |  | BODUAN BOX |  | 
| LL53 99 |  | LLITHFAEN POST OFFICE |  | 
| LL53 100 |  | BOTWNNOG POST OFFICE |  | 
| LL53 101 |  | SARN POST OFFICE |  | 
| LL53 102 |  | RHOSHIRWAUN POST OFFICE |  | 
| LL53 103 |  | TUDWEILIOG POST OFFICE |  | 
| LL53 104 |  | RHOSDDU |  | 
| LL53 105 |  | TYDDYN BELYN |  | 
| LL53 106 |  | SAITHBONT |  | 
| LL53 107 |  | RHIW POST OFFICE |  | 
| LL53 108 |  | CARMEL |  | 
| LL53 109 |  | MARCHROES |  | 
| LL53 110 |  | PEN Y BERTH | PENRHOS CAMP | 
| LL53 111 |  | TERFYN |  | 
| LL53 112 |  | GWYNFA |  | 
| LL53 113 |  | HIRDRE |  | 
| LL53 114 |  | HAFAN Y MOR |  | 
| LL53 115 |  | HAFON Y MOR | HOLIDAY PARK | 
| LL53 116 |  | LLANIESTYN |  | 
| LL53 117 |  | SIOP POST OFFICE |  | 
| LL53 119 |  | CHWILOG POST OFFICE |  | 
| LL53 120 |  | MORFA GARREG |  | 
| LL53 121 |  | BRYNCROES |  | 
| LL53 122 |  | MYNYDD NEFYN |  | 
| LL53 123 |  | YSGOL LLANGYBI |  | 
| LL53 124 |  | SAETHON |  | 
| LL53 125 |  | NEIGWL |  | 
| LL53 126 |  | FELIN UCHAF | RHOSHIRWAUN | 
| LL53 128 |  | WARREN |  | 
| LL53 129 |  | PLAS YN RHIW |  | 
| LL53 130 |  | LON GOED |  | 
| LL53 131 |  | BODERMYD | BODMERYD UWCHMYNYDD | 
| LL53 132 |  | DEUCOCH | SARN BACH | 
| LL53 133 |  | CILAN | CALAN ROAD | 
| LL53 134 |  | GER Y BONT |  | 
| LL53 135 |  | TRENHOLMES |  | 
| LL53 136 |  | TANYCLOGWYN |  | 
| LL53 137 |  | BRO CYMERAU |  | 
| LL53 138 |  | STRYD FAWR | HIGH STREET | 
| LL53 88 | LL53 6DP | BODVEL HALL | BODFEL HALL BODUAN | 
| LL53 38 | LL53 6PQ | HENDRE |  | 
| LL53 127 | LL53 6TT | BRYN BERYL |  | 
| LL53 139 | LL53 8BG | SPAR ABERDARON |  | 
Map boundaries are based on data from