+49-2102-(8543000...8543999): Ratingen, Nordrhein-Westfalen (NW) Read more about +49-2102-(8543000...8543999)
+49-211-(97533000...97533999): Düsseldorf, Nordrhein-Westfalen (NW) Read more about +49-211-(97533000...97533999)
+49-221-(98233000...98233999): Köln, Nordrhein-Westfalen (NW) Read more about +49-221-(98233000...98233999)
+49-331-(98194000...98194999): Potsdam, Brandenburg (BB) Read more about +49-331-(98194000...98194999)
+49-381-(77029000...77029999): Rostock, Mecklenburg-Vorpommern (MV) Read more about +49-381-(77029000...77029999)
+49-511-(87819000...87819999): Hannover, Niedersachsen (NI) Read more about +49-511-(87819000...87819999)