Customer service enquiries
Please select a country:
UK Germany Ireland Czech Republic Slovakia Isle of Man
O2 UK Customer service centre: 0870 5214 000
Email O2 UK Customer service centre
Please select a business:
O2 UK O2 Germany O2 Ireland Telefónica O2 Czech Republic Telefónica O2 Slovakia Manx Telecom
Telefónica O2 Europe plc switchboard: +44(0)113 272 2000
