Post Office – Girvan, Barr – Opening Hours & Branch Details Post Office is easily reached at 1 Glenginne Road, 6.00 miles east from the centre of Girvan (close to Barr Primary School). This branch looks forward to serving the people of Dailly, Kilkerran, Upper Barr, Barr, Nether Barr, Bargany, The Lanes and Pinmore. Doors are open today (Friday) at this location 9:30 am – 1:00 pm. Opening hours, address info and telephone details for Post Office Girvan, Barr can be found on this page.