Post Office – Newry, Ballsmill Home Service – Opening Hours & Branch Details Post Office is situated within easy reach on Glassdrumman Roud, about a 10.38 mile distance south-west of the centre of Newry, in Crossmaglen. This branch is a handy addition to the areas of Drumreavy Woods, Mounthill, Keirans Rocks, Glasdrumman, Ballsmill, Cornoonagh Hill, Ballybinaby and Hartesstys Rocks. Today (Friday), it is open 9:00 am until 9:00 pm. This page will give you all the information you need about Post Office Newry, Ballsmill Home Service, including the branch hours, place of business info, direct phone and additional pertinent details.