German flag, representing the German-language version of o2 Telefónica

Contact for shareholders

Marion Polzer, CIRO Head of Investor Relations
Please understand that the Investor Relations department will only answer questions related with the Telefónica Deutschland share. Contact for institutional investors: Contact for retail investors: Phone: +49 89 2442 1010 (Investor Relations team) Fax: +49 89 2442 19 2000 (Investor Relations team) Contact for the electronic submission of voting rights notifications:

Are you a customer?

Contact to O2 for customers in Germany: +49 89 7879 7940 0 (Costs according to your tariff to the german fixed net) Contact to Blau, BASE, Fonic, netzclub and AY YILDIZ.