Post Office – Ballynahinch, Drumaness – Opening Hours & Branch Details Post Office is found at 121 Drumaness Road, approximately a 3.01 mile drive south-east of the centre of Ballynahinch (adjacent to A24 / Newcastle Road). This branch is an excellent addition to the local businesses of Magheratimpany, Cumber, Drumnaconagher, Magheradrool, Tievenadarragh, Drumaness, Downpatrick and Magheralone. Doors are open here today (Friday) from 7:30 am until 9:00 pm, for those who would like to stop by. Here you can find open hours, local navigation and phone details for Post Office Ballynahinch, Drumaness.