| LL41 4UP information | |
|---|---|
| Postcode | LL41 4UP |
| Outward code | LL41 |
| Place | Trawsfynydd |
| Name | Place | Postcode |
|---|---|---|
| Berth Ddu, Trawsfynydd | Trawsfynydd | LL41 4UP |
| Bryn Crwn, Trawsfynydd | Trawsfynydd | LL41 4UP |
| Bryn Re, Trawsfynydd | Trawsfynydd | LL41 4UP |
| Brynymaenllwyd, Trawsfynydd | Trawsfynydd | LL41 4UP |
| Cefn Gellcwm Farm, Trawsfynydd | Trawsfynydd | LL41 4UP |
| Tyddyn Sais, Trawsfynydd | Trawsfynydd | LL41 4UP |
| Ty'N y Llain, Trawsfynydd | Trawsfynydd | LL41 4UP |