Post Office – Coleraine, Harpurs Hill – Opening Hours & Branch Details Visit Post Office at 160 Ballycastle Road, about 0.46 miles east of the centre of Coleraine (near Harper’s Hill Primary School). The branch is a significant addition to the locales of Lodge, Tullans, Loguestown, Coleraine Town Centre, Millburn Road, Harpurs Hill, Bellasses and Spittle Hill. Today (Friday), it’s open from 8:00 am – 6:00 pm. Read the information on this page for Post Office Coleraine, Harpurs Hill, including the hours of operation, location details, customer experience and more info.