Post Office – Knottingley, Wistow Home Service – Opening Hours & Branch Details Post Office is located in a good spot on Church Hill, a 9.37 mile driving distance north-east of the centre of Knottingley, in Wistow (by Wistow Parochial Ce Primary School and St. Wistan Church). The branch is situated in a convenient location to serve the people of Riccall, Stillingfleet, Wistow, Cawood, Skipwith and Church Fenton. Regrettably, it’ll be closed for today (Friday). This page will provide you with all the information you need on Post Office Knottingley, Wistow Home Service, including the hours of operation, navigation, phone number and more important info.