| Reference |
post code |
location 1 |
location 2 |
| LL48 11 | | TANLAN | LLANFROTHEN |
| LL48 13 | | UPPER PENRHYNDEUDRAETH | |
| LL48 14 | | RHYD | |
| LL48 15 | | TRISTAN | |
| LL48 27 | | MINFFORDD POST OFFICE | PENRHYNDEUDRAETH |
| LL48 33 | | LLANFROTHEN POST OFFICE | |
| LL48 34 | | CROESOR | PENRHYN DD |
| LL48 40 | | PORTMEIRION | PENRHYN DD |
| LL48 49 | | GWALIA | PENRHYN DD |
| LL48 54 | | BRYN LLEWELYN | |
| LL48 56 | | NAZARETH | PENRHYN DD |
| LL48 57 | | PANT Y WRACH | PENRHYNDD |
| LL48 62 | | SILOAM | PENRHYN DD |
| LL48 75 | | PENRHYNDEUDRAETH POST OFFICE | |
| LL48 78 | | GARREG FRECH | PENRHYN DD |
| LL48 79 | | BRON DANW | PENRHYN DD |
| LL48 83 | | LOWER MINFFORDD | PENRHYN DD |
| LL48 84 | | ADWY DDU | PENRHYN DD |
| LL48 86 | | CAE MAWR | PENRYN DD |
Map boundaries are based on data from