This article is from the German Genealogy FAQ, by Jim Eggert EggertJ@crosswinds.net with numerous contributions by others.
German postal codes (Postleitzahl or PLZ, equivalent to US zip
codes) are available on the Internet from
<http://www.plz-suche.de/> and
<http://www.informatik.uni-frankfurt.de/plz/plzrequest.uk.html>
They are also listed in German postal code books. For towns with
only one postal code, you can also consult the Michelin red guide,
the RV Autoatlas, or Arthur Teschler's geographical server.
 
Continue to: