Argos – Omagh – Opening Hours & Store Details Argos can be found in Showground Retail Park at 1 Sedan Avenue, 0.47 miles north-east from the centre of Omagh (close to Saint Columbas Parish (Church of Ireland) and Sacred Heart). The store is perfectly located to serve people from the locales of Crumlin, Newtownabbey, Omagh Town Centre, Cookstown, Bangor, Mount Pleasant and Mullaghmore Cranny. Please see this page for other information regarding Argos Omagh, including the store hours, location particulars or telephone details.