o2 Customer Services Overview
Telephone the O2 customer helpline to pay your bill, find upgrade choices, report a lost or stolen phone, make a change to your tariff or add a Bolt On, get help with a sim card, find out more about O2 Rewards, or simply make a general enquiry about the range of services available. You can reach the customer team by calling the O2 phone number shown below.
O2 is properly known as Telefónica UK Limited, they are a telecommunications, internet and financial services provider in the UK operating as Telefónica brand, as part of the Telefónica Europe division.
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