Contact for shareholders

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: E-Mail service Register now for our Investor Relations E-Mail service in order to be informed about current publications on our website.

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.