Post Office – Brechin, Little Brechin – Opening Hours & Branch Details Post Office is easily accessible on Little Brechin, about a 1.89 mile drive north-west from the centre of Brechin (not far from Maisondieu Primary School and Brechin High School). The branch is an added feature to the areas of Newtonmill, Trinity, Stracathro, Inchbare, Little Brechin, Unthank and Gallery. It’ll be closed today (Friday). For other information about Post Office Brechin, Little Brechin, including the opening times, street address and contact number, please refer to the sections on this page.