Support & Contact – De Lijn Business range Who should I contact if I wish to advertise on a De Lijn vehicle? Published on February 11, 2020 08:15 Follow Contact the company LijnCom: www.lijncom.be Related articles How is safety maintained on the bus and tram? In which cases it is not possible to buy my travel pass directly online via the website? What do I need in order to use the De Lijn app or site? Why should I buy my season ticket online?