O2 Customer Services
Phone: 0844-202-0202
Monday to Friday, 8am to 9pm
Saturday, 8am to 8pm
Sunday, 8am to 6pm
www.o2.co.uk
www.facebook.com/o2uk
www.twitter.com/o2
O2 Correspondence Team, PO BOX 694, Winchester, SO23 5AP
Call connection service, calls cost 7p per minute plus your network providers access charge.