Post Office – Newport, Dinas Cross – Opening Hours & Branch Details Post Office is directly found on Dinas Cross, 86.51 miles west of the centre of Newport (nearby Saint Brynach’s Church and Tabor Capel-Y-Bedyddwyr). This branch is an important addition to the locales of Dinas Cross, Cwm-Yr-Eglwys, Tan Y Bryn, Pwllgwaelod, Werndew, Tai Bach, Brynhenllan and Trecadifor. Doors are open today (Friday) from 9:00 am – 5:00 pm, for those who would like to drop in. Here, on this page, you will find additional information about Post Office Newport, Dinas Cross, including the opening times, map and email info.