Rhondda Cynon Taf
31 postcode sectors mapped mainly to Rhondda Cynon Taf. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
31 sectors
- CF15 7Near Nantgarw
- CF37 1Near Pontypridd
- CF37 2Near Pontypridd
- CF37 3Near Ynysybwl and Coed-y-cwm
- CF37 4Near Pontypridd
- CF37 5Near Pontypridd
- CF37 9Near Y Graig
- CF38 1Near Tonteg
- CF38 2Near Tonteg
- CF39 0Near Ynyshir
- CF39 8Near Tonyrefail
- CF39 9Near Porth
- CF40 1Near Pen-y-graig
- CF40 2Near Cwm Clydach
- CF40 9Near Cwm Clydach
- CF41 7Near Ystrad
- CF42 5Near Treherbert
- CF42 6Near Treorchy
- CF42 9Near Treorchy
- CF43 3Near Tylorstown
- CF43 4Near Maerdy
- CF44 0Near Llwydcoed
- CF44 4Near Abercwmboi
- CF44 6Near Aberaman South
- CF44 7Near Aberdare West
- CF44 8Near Penywaun
- CF45 3Near Mountain Ash
- CF45 4Near Mountain Ash
- CF72 0Near Llantrisant
- CF72 8Near Llantrisant
- CF72 9Near Llanharry
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.