overview opening hours services The main Prague post office with almost non-stop opening hours is located near Wenceslas Square in Jindřišská Street. In a beautiful Neo-Renaissance building, the post office provides the vast majority of possible postal services, from processing letters and parcels, to payment and financial services, to a wide range of services for the public and companies. opening hours january—december mon, tue, wed, thu, fri, sat, sun 02:00—00:00 more about opening hours Source: www.ceskaposta.cz opening hours january—december mon, tue, wed, thu, fri, sat, sun 02:00—00:00 All branch services Price of a postage stamp for an ordinary letter or postcard: within the Czech Republic: CZK 27 (postage stamp “B) to European countries: CZK 44 (postage stamp “E”) to non-European countries: CZK 50 (postage stamp “Z”)