Post Office – Keith – Opening Hours & Branch Details Visit your local Post Office branch at 183 Mid Street, approximately a 0.08 mile drive south-east of the centre of Keith (near St Rufus Park). This branch is situated in a convenient location to serve the patrons of Fife Keith, Keith Town Centre, Mulben, Knock, Aultmore and Newmill. Stop by today (Friday) from 8:30 am to 8:00 pm. On this page, you will find hours of business, place of business info, email address and additional information about Post Office Keith.