Post Office – Downpatrick, Loughinisland – Opening Hours & Branch Details Post Office is found in an ideal spot at 149 Newcastle Road, approximately a 4.83 mile drive west of the centre of Downpatrick (accessible from A24 / Newcastle Road). The branch is properly located for customers from Drumgooland, Drumaness, Tannaghmore, Castlenavan, Seaforde Demesne, Tievenadarragh and Banbridge. Today (on Friday) it’s open from 7:00 am until 11:00 pm. Refer to this page for the specifics on Post Office Downpatrick, Loughinisland, including the business hours, address, customer experience and more information.