Post Office – Lockerbie, Johnstonebridge – Opening Hours & Branch Details Post Office is situated in a convenient location on Johnstonebridge Centre, a 6.99 mile driving distance north-west of the centre of Lockerbie (accessible from Junction 16 of A74 (M)). This branch is a positive addition to the local businesses of Yett, Blackburn, Greenrig, Cleuchbrae, Chapelhill, Johnstonebridge, Kirkbank and Dalmakethar. Regrettably, it will be closed for today (Friday). On this page you will find all the information about Post Office Lockerbie, Johnstonebridge, including the working hours, branch location and direct contact number.