Post Office – Newtownards, Ballyhalbert – Opening Hours & Branch Details Visit your local Post Office branch at 24-28 High Street, about 11.40 miles south-east from the centre of Newtownards. The branch primarily provides service to customers from the areas of Bangor, Glastry, Donaghadee, Downpatrick, Ballyhemlin, Dromore (Co Down) and Ballyhalbert. It won’t be open today (Friday). This page includes information for Post Office Newtownards, Ballyhalbert, including the opening hours, address details or contact details.