Argos – London, Cannon Street – Opening Hours & Store Details Argos is ideally positioned at 1A Cannon Street, 1.64 miles east of the centre of London, in City of London (close to Royal Exchange and Cannon Street Station). This store is an excellent addition to the local businesses of Lockyer Estate, Borough, City of London, Southwark, Spitalfields, Devonshire Square, St Olave’s Estate and Whites Grounds Estate. This page will give you all the information you need about Argos London, Cannon Street, including the hours of operation, location description, direct phone and additional details.