There are three official tourist information offices in Frankfurt. You may reach them by phone at +49 (0) 69/24 74 55 - 400.
Tourist Information Office Römer
Römerberg 27, 60311 Frankfurt/Main – Old Town
Tourist Information Office Main Train Station
Main Train Station (Reception Hall), 60329 Frankfurt/Main
Tourist Information Office Höchst/Tabak & Presse Krämer
Antoniterstraße 22, 65929 Frankfurt/Main