Tel/Fax: +33 (0)155 315 643 (only information line, no answering machine) Tel: +32 2 224 88 62, Fax: +32 2 224 57 68 Köln Hbf Tel: + 49 221 141 31 25, Fax: +49 221 141 25 63 After your journey, you can inform the DB Fund Service by filling out a form on www.bahn.com. Twitter · Facebook · Youtube · LinkedIn..