Post Office – Armagh, Tynan – Opening Hours & Branch Details Post Office can be found in a convenient position at 28 Main Street, about a 6.96 mile drive west from the centre of Armagh. This branch serves the customers of Lemnagore, Fairview, Enagh, Caledon, Kennedies, Lisloony, Corfehan and Tynan. Doors are open today (Friday) from 9:00 am until 5:30 pm. Please review the sections on this page about Post Office Armagh, Tynan, including the business times, address info, direct contact number and further details.