Customer service enquiries
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Telefónica O2 UK Customer service centre: 0870 5214 000
Email Telefónica O2 UK Customer service centre
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Telefónica O2 UK Limited Telefónica O2 Germany GmbH & Co OHG Telefónica O2 Ireland Limited Telefónica O2 Czech Republic Telefónica O2 Slovakia Manx Telecom
Telefónica Europe plc switchboard: +44(0)113 272 2000
