| Reference | post code | location 1 | location 2 | 
| LL55 1 |  | STRYD Y FARCHNAD |  | 
| LL55 3 |  | FACHWEN ISA |  | 
| LL55 5 |  | MINFFORDD | BETHEL | 
| LL55 6 |  | CEUNANT | PANT HYFRYD | 
| LL55 8 |  | CRAIG Y DON |  | 
| LL55 9 |  | GWENDON | FFORDD BANGOR | 
| LL55 11 |  | DORLAN | CLWT Y BONT | 
| LL55 13 |  | STRYD MARCWS |  | 
| LL55 15 |  | PONT SEIONT | ORCHARD COTTAGE | 
| LL55 19 |  | GROESLON WAENFAWR | MAES GWYNEDD | 
| LL55 20 |  | HEN BOST WAENFAWR | HIGH STREET | 
| LL55 21 |  | STESION WYDDFA | LLANBERIS STATION | 
| LL55 24 |  | FFORDD Y GOGLEDD |  | 
| LL55 25 |  | GROESLON MARC LLANRUG |  | 
| LL55 26 |  | RHOS BACH | CAEATHRAW | 
| LL55 28 |  | ERW WEN CAEATHRO |  | 
| LL55 29 |  | FACHWEN |  | 
| LL55 31 |  | PANTWAEN WAENFAWR | PANT Y WAUN | 
| LL55 33 |  | AELYGARTH |  | 
| LL55 35 |  | SAFEWAY | CAERNARFON | 
| LL55 37 |  | CRAIGDINAS | CWM Y GLO | 
| LL55 38 |  | NANTMOR |  | 
| LL55 41 |  | PONTRHYDDALLT |  | 
| LL55 42 |  | STRYD FAWR | LLANBERIS | 
| LL55 49 |  | LLANBEBLIG |  | 
| LL55 50 |  | BRYNGWYN LLANRUG |  | 
| LL55 53 |  | RHES HOLYWELL | NEAR BARRACKS | 
| LL55 54 |  | LLANFAIRISGAER | NEAR. GROESLON | 
| LL55 56 |  | BEDDGELERT POST OFFICE |  | 
| LL55 59 |  | GALLTYFOEL |  | 
| LL55 60 |  | GROESLON GELYNEN | DEINIOLEN | 
| LL55 61 |  | CWMYGLO POST OFFICE |  | 
| LL55 68 |  | CLWT Y BONT POST OFFICE |  | 
| LL55 70 |  | GORS BACH | LLANDDEINIOLEN | 
| LL55 78 |  | PENISARWAEN POST OFFICE |  | 
| LL55 80 |  | PENGWRYD |  | 
| LL55 81 |  | ABERGLASLYN |  | 
| LL55 82 |  | PONTRUG |  | 
| LL55 84 |  | PENYLLYN | LLANBERIS | 
| LL55 85 |  | STRYD GWYNANT |  | 
| LL55 86 |  | MUR MAWR | NANTPERIS | 
| LL55 88 |  | ELIDIR VIEW |  | 
| LL55 90 |  | RHES ARTHUR | PENISARWAEN | 
| LL55 93 |  | PANTAFON |  | 
| LL55 94 |  | TANYGAER |  | 
| LL55 96 |  | STRYD BANGOR | BANGOR STREET | 
| LL55 98 |  | PENRHIW DINORWIC |  | 
| LL55 99 |  | BONTNEWYDD |  | 
| LL55 100 |  | WAENFAWR POST OFFICE |  | 
| LL55 102 |  | GARREG GAM | NANTGWYNANT | 
| LL55 103 |  | LLANBERIS POST OFFICE |  | 
| LL55 111 |  | RHES OLGRA | LLANBERIS | 
| LL55 112 |  | CRAFLWYN | NANTGWYNANT | 
| LL55 113 |  | HAFOD WYDR | BEDDGELERT | 
| LL55 114 |  | YSGOL DOLBADARN | LLANBERIS | 
| LL55 115 |  | BLAENYDDOL | LLANBERIS | 
| LL55 120 |  | BRYNHYFRYD |  | 
| LL55 121 |  | DOLAFON CWMYGLO |  | 
| LL55 122 |  | RHOSRUG LLANRUG |  | 
| LL55 124 |  | SEION |  | 
| LL55 128 |  | BRYNREFAIL POST OFFICE |  | 
| LL55 131 |  | LON LAS LLANRUG |  | 
| LL55 132 |  | NANT PERIS |  | 
| LL55 138 |  | DEINIOLEN POST OFFICE |  | 
| LL55 139 |  | LLANRUG POST OFFICE |  | 
| LL55 142 |  | TANYCOED |  | 
| LL55 144 |  | CAE MUR POST OFFICE | 21 FFORDD ELIDIR, CAERNARFON | 
| LL55 145 |  | FFORDD BETHEL | BETHEL ROAD | 
| LL55 147 |  | NANTGWYNANT BOX |  | 
| LL55 148 |  | YSBYTY ERYRI |  | 
| LL55 152 |  | STAD ERYRI |  | 
| LL55 155 |  | PARC PADARN |  | 
| LL55 156 |  | TESCO STORE | SOUTH ROAD | 
| LL55 158 |  | YR HENDRE POST OFFICE |  | 
| LL55 162 |  | CAERNARFON DELIVERY OFFICE |  | 
| LL55 165 |  | FFORDD GLANFFYNNON | LLANRUG | 
| LL55 167 |  | GLANRAFON BUNGALOWS | TY DU ROAD, LLANBERIS | 
| LL55 161 | LL55 1LL | CAE GWYN |  | 
| LL55 36 | LL55 1PN | TWTHILL | TWTHILL SQUARE | 
| LL55 123 | LL55 1YT | BETHEL POST OFFICE |  | 
| LL55 160 | LL55 2EP | LON Y BRYN POST OFFICE |  | 
| LL55 163 | LL55 2ND | Y MAES BOX |  | 
| LL55 164 | LL55 2ND | Y MAES |  | 
| LL55 32 | LL55 2RG | STRYD DINORWIC |  | 
| LL55 118 | LL55 2UN | BONTNEWYDD POST OFFICE |  | 
| LL55 110 | LL55 3NF | GROESLON BLAENCAE |  | 
Map boundaries are based on data from