Post Office – Craven Arms, Clun – Opening Hours & Branch Details Post Office occupies a convenient spot at 16 – 20 The Square, approximately a 8.40 mile drive west of the centre of Craven Arms (close to Clun High Street). This branch primarily serves patrons from the districts of Waterloo, Guilden Down, Clun, The Green, Bicton, Woodside and Hightown. Today (Friday), operation begins at 8:00 am and continues until 8:00 pm. Here, on this page, you can find further information about Post Office Craven Arms, Clun, including the business hours, location info and customer feedback.