= Swiss Postal Codes = <> ---- == History == The German-speaking nations have an informal (and decreasingly utilized) system of prefixing postal codes with a country code. Switzerland's code was "CH", leading to postal codes like "CH-1234". ([[PostalCodes/Germany|Germany]] used "D", [[PostalCodes/Austria|Austria]] used "A", and [[PostalCodes/Liechtenstein|Liechtenstein]] used "FL"). ---- == Specification == Swiss postal codes are 4 digits long (zero-padded). ---- CategoryRicottone