 3 - western and southern Bohemia (301 00 - 326 00 Plzeň, 360 01 Karlovy Vary, 370 01 České Budějovice)
4 - northern Bohemia (400 01 Ústí nad Labem, 460 01 Liberec)
5 - eastern Bohemia and western Moravia (500 01 Hradec Králové, 530 01 Pardubice, 541 01 Trutnov, 586 01 Jihlava)
6 - southern Moravia (600 00 - 659 99 Brno, 690 01 Břeclav)
7 - eastern and northern Moravia (779 00 Olomouc, 760 01 Zlín, 700 01 - 729 99 Ostrava)
8,9,0 are assigned to Slovakia.Addresses with large mail traffic can get their own postal code.When writing the address, the postal code is put in front of the town name; when typed or printed, 1 space separates the leading 3 digits from the trailing 2 digits, and 2 spaces separate the postal code from the town name, e.g.