+49-211-(94289000...94289999): Düsseldorf, Nordrhein-Westfalen (NW) Xem thêm về +49-211-(94289000...94289999)
+49-221-(96984000...96984999): Köln, Nordrhein-Westfalen (NW) Xem thêm về +49-221-(96984000...96984999)
+49-431-(54784000...54784999): Kiel, Schleswig-Holstein (SH) Xem thêm về +49-431-(54784000...54784999)
+49-511-(79789000...79789999): Hannover, Niedersachsen (NI) Xem thêm về +49-511-(79789000...79789999)
+49-521-(98994000...98994999): Bielefeld, Nordrhein-Westfalen (NW) Xem thêm về +49-521-(98994000...98994999)
+49-621-(86184000...86184999): Mannheim, Baden-Württemberg (BW) Xem thêm về +49-621-(86184000...86184999)
