Post Office – Montrose, Hillside – Opening Hours & Branch Details You will find Post Office on Main Road, approximately a 2.37 mile drive north from the centre of Montrose (by Main Road). This branch is situated in a convenient locale that essentially serves the people of Tayock, Newbigging, Borrowfield, Pugeston, Kirkhill, Hillside, Mains of Hedderwick and Newmanswalls. If you plan to stop by today (Friday), its operating hours are 9:00 am – 1:00 pm. This page includes specifics on Post Office Montrose, Hillside, including the branch hours, branch address info and product ranges.