Post Office – Coleraine, The University – Opening Hours & Branch Details Post Office occupies an ideal spot on Cromore Road, approximately 1.24 miles north from the centre of Coleraine (by Riverside Theatre and Ulster University Coleraine Campus). This branch is an excellent addition to the local businesses of Dundooan, Dooey Beg, Ballygallin, Basllysally, Ballycairn, Kiltinny Beg, Magheraclay and Coleraine Town Centre. Today (Friday), its hours of business are 9:00 am until 3:00 pm. Please see the various sections on this page for specifics on Post Office Coleraine, The University, including the hours of operation, location info, direct contact number and additional information about the branch.