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Contact O2

Write to O2
Telefonica UK Limited
Correspondence Department
PO Box 202
Houghton Regis

Phone O2
Pay & Go Customers: 0844 809 0222
iPhone Pay & Go Customers: 0844 875 2302
Pay Monthly: 0844 809 0202
Pay Monthly iPhone: 0844 875 2302
Textphone: 0800 358 4917

O2 Store Locator

Telefónica UK Limited is a leading communications company for consumers and businesses in the UK, with 22.3 million mobile customers and over 700,000 fixed broadband customers as at 31 March 2011.

O2 was ranked highest in customer satisfaction for both UK mobile and fixed broadband customers according to the J.D. Power and Associates UK Mobile and Fixed Broadband Studies 2010.

O2 was the first UK operator to deploy a 4G/LTE trial network which has demonstrated peak speeds of over 100 Mbps to a mobile device.