Support & Contact – De Lijn Business range General questions Who should I contact if I wish to advertise on a De Lijn vehicle? Published on February 11, 2020 08:15 Contact the company LijnCom: www.lijncom.be Any questions about this subject?Fill in this form. Related articles How can I pass on praise or complaints? Can I use data from De Lijn to create an app myself? Can I take my (folding)bicycle or step on a bus or tram? Can I purchase SMS-tickets or SMS-day passes if I have a business contract for my mobile phone? My card isn’t working. What should I do?