Post Office – Londonderry, Dungiven – Opening Hours & Branch Details Post Office is found at 2 Garvagh Road, a 16.12 mile driving distance east of the centre of Londonderry (right off A6 / Chapel Road). The branch is glad to serve patrons within the districts of Owenbeg, Whinny Island, Turmeel, Hill Quarter, Lackagh, Derryware, Ballyguddin and Dungiven. Today (Friday), service starts at 9:00 am and continues until 7:00 pm. Please see the various sections on this page for specifics on Post Office Londonderry, Dungiven, including the branch hours, directions, customer rating and more information about the branch.