Argos – Dungannon – Opening Hours & Store Details Argos is located at 9 John Street, about a 0.46 mile drive south-west from the centre of Dungannon (not far from St Anne’s Church). The store chiefly serves the patrons in the districts of Lisburn, Hollywood, Dromore (Co Down), Belfast, Lardan, Dungannon Town Centre and Granville. Please review the information on this page for Argos Dungannon, including the opening hours, address details or telephone info.