Aberaman, Abercanaid, Abercwmboi, Abercynon, Aberdare / Aberdâr, Aberfan, Abermorlais, Abernant, Bedlinog, Birchgrove, Blaenllechau, Bryntirion, Buarth Capel, Cae-draw, Cae-pant-tywyll, Caegarw, Carnetown, Cefnpennar, Cilfynydd, Coed y Cwm, Craig Berthlwyd, Cwmaman, Cwmbâch, Cwmdare, Cwmfelin, Cwmpennar, Edwardsville, Ferndale, Ffos-y-frân, Gadlys, Gelli, Gellideg, Georgetown, Glebeland, Glenboi, Glyncoch, Godreaman, Goitre Coed, Heolgerrig, Incline Top, Llancaiach, Llanfabon, Llanwonno, Llwydcoed, Llwyncelyn, Llwynypia, Maerdy, Melin Caiach, Merthyr Tydfil / Merthyr Tudful, Merthyr Vale / Ynysowen, Miskin, Morgan Town, Mount Pleasant, Mountain Ash / Aberpennar, Mountain Hare, Mynachdy, Nelson, Penrhiwceiber, Penrhys, Pentrebach, Pentwyn Berthl?yd, Penyard, Penyrheol, Perthcelyn, Pontcynon, Pontygwaith, Quaker's Yard, Rhyd-y-car, Robertstown, Stanleytown, Taff Merthyr Garden Village, Tai'r-heol, The Quar, Thomas Town, Trealaw, Trecynon, Trehafod, Treharris, Trelewis, Troedyrhiw, Twynyrodyn, Tydfil's well, Tylorstown, Tyntetown, Upper Abercanaid, Wattstown, Williamstown, Winch Fawr, Ynys-fach, Ynysboeth, Ynyshir, Ynysybwl, Ysgubor Newydd, Ystrad