Postal codes in Germany , ( PLZ ) ( plural Postleitzahlen , have five numbers . The first two show the wide area , the three other show the postal district . Postal codes in Germany , Postleitzahl ( plural Postleitzahlen , abbreviated to PLZ ; literally `` postal guidance number '' ) , consist of five digits , which indicate the wider area ( first two digits ) , and the postal district ( last three digits ) .