Post Office – Downpatrick, Killyleagh – Opening Hours & Branch Details You can find Post Office at 4 Downpatrick Road, approximately a 5.59 mile driving distance north-east of the centre of Downpatrick (by A22 / Downpatrick Road). This branch is situated fittingly to serve those from the districts of Hillsborough, Craigavon, St Bees, Corporation, Ballynahinch, Shrigley, Tullyveery and Killyleagh. Today (Friday), operation begins at 7:00 am and continues until 11:00 pm. This page includes hours of opening, map and direct number for Post Office Downpatrick, Killyleagh.