| LL41 4SN information | |
|---|---|
| Postcode | LL41 4SN |
| Outward code | LL41 |
| Place | Trawsfynydd |
| Name | Place | Postcode |
|---|---|---|
| Angorfa, Trawsfynydd | Trawsfynydd | LL41 4SN |
| Cilmeri, Trawsfynydd | Trawsfynydd | LL41 4SN |
| Llwyn Celyn, Trawsfynydd | Trawsfynydd | LL41 4SN |
| Y Cilgwyn, Trawsfynydd | Trawsfynydd | LL41 4SN |