USC – Portsmouth – Opening Hours & Store Details You’ll find USC in Cascades Shopping Centre on Commercial Road, a 1.30 mile drive south of the centre of Portsmouth (by Portsmouth & Southsea Station). The store is a convenient addition to the areas of Portico: Prospect Road entrance, Old Portsmouth, Portsmouth City Centre, Unicorn Gate, Fratton, Southsea, Somers Town and Portsea. Working hours today (Friday) are 9:00 am until 6:00 pm. On this page you’ll find all the information about USC Portsmouth, including the opening times, local map or phone info.