| Reference |
post code |
location 1 |
location 2 |
| LL51 16 | | BWLCH DERWIN | DERWEN COTTAGE |
| LL51 37 | | BRYNCIR LODGE | GARNDOLBENMAEN |
| LL51 38 | | BRYNCIR POST OFFICE | |
| LL51 39 | | DOLBENMAEN CHURCH | |
| LL51 41 | | PENCAENEWYDD | GARNDOLBENMAEN |
| LL51 42 | | PENNANT CHAPEL | |
| LL51 43 | | PENYGROES | GARNDOLBENMAEN |
| LL51 44 | | YNYS PANDY | GARNDOLBENMAEN |
| LL51 50 | | EFAIL GLANDWYFACH | |
| LL51 51 | | EFAIL CENIN | GARNDOLBENMAEN |
| LL51 58 | | PANTGLAS POST OFFICE | GRANDOLBENMAEN |
| LL51 81 | | MYNYDD GLAS | GARNDOLBENMAEN |
| LL51 89 | LL51 | NEW GARNDOLBENMAEN POST OFFICE | PORTHMADOG |
| LL51 63 | LL51 9RX | GARNDOLBENMAEN POST OFFICE | |
Map boundaries are based on data from