Aberaman, Abercanaid, Abercwmboi, Abercynon, Aberdare / Aberdâr, Aberfan, Abermorlais, Abernant, Bedlinog, Blaenllechau, Bryntirion, Buarth Capel, Cae-draw, Cae-pant-tywyll, Caegarw, Carnetown, Cefn-coed-y-cymmer, Clwydyfagwyr, Craig Berthlwyd, Cwmaman, Cwmbâch, Cwmdare, Cwmfelin, Cwmpennar, Darranlas, Dowlais, Edwardsville, Ferndale, Ffos-y-frân, Gadlys, Galon-Uchaf, Gellideg, Georgetown, Glebeland, Glenboi, Godreaman, Goitre Coed, Gurnos, Heolgerrig, Incline Top, Llanwonno, Llwydcoed, Maerdy, Melin Caiach, Merthyr Tydfil / Merthyr Tudful, Merthyr Vale / Ynysowen, Miskin, Morgan Town, Mountain Ash / Aberpennar, Mountain Hare, Mynachdy, Pen-y-Darren, Penrhiwceiber, Penrhys, Pentrebach, Pentwyn Berthl?yd, Penyard, Penyrheol, Penywaun, Perthcelyn, Pontcynon, Pontygwaith, Quaker's Yard, Rhyd-y-car, Robertstown, Stanleytown, Taff Merthyr Garden Village, The Quar, Thomas Town, Tre-Gibbon, Tre-Ifor, Trecynon, Treharris, Trelewis, Troedyrhiw, Twynyrodyn, Tydfil's well, Tylorstown, Tyntetown, Upper Abercanaid, Wattstown, Williamstown, Winch Fawr, Ynys-fach, Ynysboeth, Ynysybwl, Ysgubor Newydd, Ystrad