Telefónica O2 UK: All initial enquiries in relation to Nuisance Calls and Child Protection should be directed through customer service on 08705 214000. If necessary, customer service will request our specialised teams to contact you, if further assistance is required.
Telefónica O2 Germany GmbH & Co OHG: jugendschutz@o2.com
Telefónica O2 Ireland: Telephone: 1909 (O2 mobile phones only)