Post Office – Newry, Cabra – Opening Hours & Branch Details Post Office is set at 121 Castlewellan Road, approximately a 10.83 mile drive east from the centre of Newry (aside A25 / Castlewellan Road). The branch is situated in a convenient location to serve the people of Ballykeel, Lenish, Cabragh, Ballynagappoge, Ballycoshone Lower, Ballyweely, Kinghill and Castlewellan. Today (Friday), opening hours begin at 9:00 am and end at 5:00 pm. Please review the sections on this page about Post Office Newry, Cabra, including the operating times, address, email contact and other info.