Map of the telephone dialing codes of Belgium
<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Maximilian Dörrbecker</a> (<a href="https://de.wikipedia.org/wiki/User:Chumwa" class="extiw" title="de:User:Chumwa">Chumwa</a>)
CC BY-SA 2.5
Own work  using: <a href="//commons.wikimedia.org/wiki/File:Belgium,_administrative_divisions_(provinces%2Bregions)_-_de_-_colored.svg" title="File:Belgium, administrative divisions (provinces+regions) - de - colored.svg">File:Belgium,_administrative_divisions_(provinces+regions)_-_de_-_colored.svg</a> by <a href="//commons.wikimedia.org/wiki/User:TUBS" title="User:TUBS">TUBS</a>