Post Office – Armagh, Middletown – Opening Hours & Branch Details Post Office is directly found at 7 Main Street, about a 8.69 mile drive south-west of the centre of Armagh (accessible from A3 / Monaghan Road). The branch principally serves customers from the areas of Unshog, Annagola Bridge, Cavandoogan, Rathtrillick, Shantally, Clanickny, Tullyglush (Nevin) and Annagola. Doors are open today (Friday) from 9:00 am until 6:00 pm, for those who’d like to drop in. Here you may find some information about Post Office Armagh, Middletown, including the operating hours, directions or contact number.