Post Office – Llanelli, Pwll – Opening Hours & Branch Details You will find Post Office situated at an ideal location at 29 Pwll Road, approximately a 1.74 mile driving distance west of the centre of Llanelli (near to Pwll C.p. Mixed School and Coleg Sir Gâr Graig). This branch is an added feature to the districts of Cwmbach, Pwll, Gwraeth, Pant Hywel, Cilymaenllwyd, Seaside, Graig and Penhwch. Today (Friday), operation begins at 1:00 pm and continues until 3:00 pm. This page includes information for Post Office Llanelli, Pwll, including the opening times, address and direct telephone.