Useful O2 contact information

o2 online's tariffs are cheaper than many others, as they conduct business online, rather than via high street stores. Accordingly, if you want to get in touch with o2 online, o2 prefers you to contact them via the O2 website as opposed to by phone, letter or in person.

As a service to our site visitors, we've added some information on how to contact o2, which you may find useful:

o2 Websites:

o2 Contact Email Addresses:

Customer services: Online form available from the o2 site. Select "Help" and enter "Contact us"
Customer services: my-care@o2mail.co.uk
Complaints: complaints@o2mail.co.uk
Abuse: abuse@o2mail.co.uk
Nuisance Call dept: ncb@o2.com
High-level complaints: complaintreviewservice@o2.com

o2 Phone numbers:

Sales (24 hour): 0870 225 7879 (National rate)
Customer Services (Contract): 202 from your o2 handset (National rate)
Customer Services (Contract): 08702 410 202 (National rate)
Customer Services (Contract): 01349 885040 (National rate)
Customer Services (o2 Online Contract): 0870 600 3009 (National rate)
Customer Services (Pre-pay): 4445 from your o2 handset (20p per a minute)
Customer Services (Pre-pay): 08705 678 678 (National rate)
Customer Services (Pre-pay): 0906 302 4445 (50p per a minute)
Customer Services (Pre-pay): 0161 705 5000 (Switchboard, ask to be put through)
O2 Customer Services is available from 8am - 9pm Mon to Fri, and 8am - 8pm weekends.

Member Services: 0870 444 6496 (9am-5pm Mon-Fri)
Finance/Payments Dept: 0870 220 3299
o2 Network Services, for network faults/issues: 08705 214000 (National rate)
o2 Customer Services (Prepay): 08705 678678 (National rate)
o2 Data Services: 0113 388 1685
Mobile Web Specialist team: 0870 6076161
Mobile Web Specialist team: 08705 860 860. Don't enter your number, but press * twice and select menu option 2.
Pay-as-you-go credit card top-ups: 0845 606 2277 (Local rate)
Handset/Contract upgrades: 0870-600 7102 , 0870-225 6869 or 0870 225 9933 (National rate, 8am-6pm Mon-Sat)
Internet (PC) helpdesk: 0906 302 0220 (50p per minute)
International helpline: +44 8705 214000 - for international travellers using their O2 mobile abroad
Lost or stolen barring: 08705 214000 (National rate)
o2 Online fax (Customer Services): 0113 202 5875 or 0170 931 6910
o2 Head Office Switchboard: 0113 2722000 (was 01753-565000)

Out-of-date info, or any more numbers to add? let us know

o2 Postal Addresses:

Customer Services: 0219 HQ/Bury, O2 online, Dummers Lane, BL9 9QL
Parent Company: BT Cellnet Limited (No.1743099) of Bath Road, Slough SL1 4DX
Registered Office: O2 Limited, Wellington Street, Slough, Berkshire SL1 1YP
Phone return: The Returns Department, FREEPOST, NEA12343, Warrington, WA1 2AA

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