| LL41 4YE information | |
|---|---|
| Postcode | LL41 4YE |
| Outward code | LL41 |
| Place | Trawsfynydd |
| Name | Place | Postcode |
|---|---|---|
| Cae Gwyn, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Caen Cefn, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Cwrt, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Glanllynau Duon, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Graig Ddu Isaf, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Jeriwsalem, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Jerusalem Cottage, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Tyddyn Du, Trawsfynydd | Trawsfynydd | LL41 4YE |
| Tyddyn Mawr, Trawsfynydd | Trawsfynydd | LL41 4YE |