Argos – Oswestry – Opening Hours & Store Details Argos sits on Smithfield Street, about 0.03 miles north-east of the centre of Oswestry (a few minutes walk from Holy Trinity Parish Church and Cae Glas Park). The store provides service mainly to the districts of Sarnau, Old Oswestry Iron Age Hill Fort, Saint John’s Court, Morda, The Carriages, Oswestry Town Centre and Cefn-Mawr. Please review this page for the specifics on Argos Oswestry, including the open hours, address, telephone number and other information.