USC – Dundalk – Opening Hours & Store Details USC is situated in Dundalk Retail Park on Marshes Upper, approximately a 1.35 mile drive south-east from the centre of Dundalk (near Dundalk Muslim Community Centre and Muirhevnamor District Park). This store is glad to provide service to customers within the areas of Kingswood, Marshes Upper, Mullagharlin, Marsh South, Point, Dundalk Town Centre, Bay Estate and Marshes Lower. Today (Friday), its hours of operation are from 9:00 am until 9:00 pm. Business hours, local map and email address for USC Dundalk can be found on this page.