Grid Reference: SJ170221
Country: Wales
County:
Constituency: Montgomeryshire
Parish: Llanfechain
Existing streets on postcode SY10 9LL
Bethesda, , Bwlch Y Ddar
Brynffynnon, , Bwlch Y Ddar
Brynteg, , Bwlch Y Ddar
Tanllidiarth, , Bwlch Y Ddar
