A map, showing the first two digits of the landline area codes in Germany. 
colored in light blue: 02
colored in red: 03
colored in dark green: 04
colored in light green: 05
colored in dark blue: 06
colored in yellow: 07
colored in dark yellow: 08
colored in orange: 09
Own work based on: Telefonvorwahlbereiche-Deutschland.png
original creation by WikiNight, vector version by GD