Post Office – Dungannon, The Oaks – Opening Hours & Branch Details Post Office is situated right in Oak Shopping Centre at 11 Oaks Road, a 0.28 mile distance north-east of the centre of Dungannon (close to South West College). This branch is a positive addition to the local businesses of Lisnaclin, Dungannon Town Centre, Carland, Gortmerron, Killybrackey, Kingarve, Killymeal and Drumharriff. Today (Friday), working hours start at 8:30 am and continue until 6:00 pm. Please note the various sections on this page for specifics on Post Office Dungannon, The Oaks, including the opening times, location info, direct phone and further information.