| LL49 9YN information | |
|---|---|
| Postcode | LL49 9YN |
| Outward code | LL49 |
| Place | Treflys |
| Name | Place | Postcode |
|---|---|---|
| Bron y Foel, Treflys | Treflys | LL49 9YN |
| Bron y Foel Bach, Treflys | Treflys | LL49 9YN |
| Bryn Derwen Cottage, Treflys | Treflys | LL49 9YN |
| Bryn Melyn, Treflys | Treflys | LL49 9YN |
| Caerffynnon, Treflys | Treflys | LL49 9YN |
| Cefn Cyfanedd, Treflys | Treflys | LL49 9YN |
| Cefn Isaf, Treflys | Treflys | LL49 9YN |
| Keepers Cottage, Treflys | Treflys | LL49 9YN |
| Tyddyn Engan Farm, Treflys | Treflys | LL49 9YN |
| Ty Mawr Farm, Treflys | Treflys | LL49 9YN |
| Y Garth Morthin Farm, Treflys | Treflys | LL49 9YN |