Post Office – Newry, Newtownhamilton – Opening Hours & Branch Details Post Office is situated in an ideal position at 50 Dundalk Street, approximately a 9.58 mile distance west from the centre of Newry. This branch is an excellent addition to the local businesses of Glenny’s Hill, Con’s Town, Newtownhamilton, Johnston’s Hill, Tullyvallan, Dungormley, Ballintemple and Carrickacullion. If you plan to drop in today (Friday), it is open 6:30 am – 10:00 pm. This page will supply you with all the information you need about Post Office Newry, Newtownhamilton, including the opening times, branch address details, direct contact number and further details.