Regional telecommunications company in the area of Cologne and Bonn (Germany) Operator of an own telecommunications network and full service provider in all areas of communications – voice, data and Internet Region of Cologne and surrounding municipalities (Rhein- Erft-Kreis, Leverkusen, Rhein-Sieg-Kreis, Bonn, Lohmar, Rosrath, Overrath, parts of Bensberg), Euskirchen