Post Office – Boncath – Opening Hours & Branch Details Post Office is found in an ideal spot on The Shop, about 0.02 miles north from the centre of Boncath (nearby Blaenffos Baptist Chapel). The branch is convenient for the people of Capel Newydd / Newchapel, Penrydd, Blaenffos, Boncath Town Centre, Rhos Hill and Llanfihangel Penbedw. Today’s operating times (Friday) are from 9:00 am to 5:30 pm. Refer to this page for the specifics on Post Office Boncath, including the hours of opening, address, customer rating and more relevant information.