Post Office – Ballymena, Cushendun – Opening Hours & Branch Details You’ll find Post Office easily accessible at 5 Main Street, a 20.31 mile driving distance north-east of the centre of Ballymena. The branch is fittingly located for patrons from Agolagh, Ballindam, Ballyteerim, Curragh, Sleans, Ballycleagh, Cushendun and Knocknacarry. Today (Friday), business times begin at 7:00 am and continue until 7:00 pm. For more information about Post Office Ballymena, Cushendun, including the working hours, branch address details and telephone info, please refer to the sections on this page.