Post Office – Brechin, Montrose Street – Opening Hours & Branch Details Post Office is directly at 267 Montrose Street, a 0.65 mile drive south-east from the centre of Brechin (not far from East Mill Brae). This branch is an excellent addition to the local businesses of Brechin Town Centre, Unthank, Hillhead Cottages, Trinity, Farnell, Gallery and Kincraig. If you would like to swing by today (Friday), its operating times are 8:00 am – 8:00 pm. This page will give you all the information you need about Post Office Brechin, Montrose Street, including the hours of opening, directions, product ranges and additional essential details.