O2 Support and Complaint Guide

Support Categories

Pay Monthly (Mobile)

Number: 202
Opening Times: Monday – Friday 08:00 – 21:00. Saturday 08:00 – 20:00. Sunday 08:00 – 18:00.
Pay As You Go (Mobile)

Number: 4445
Opening Times: Monday – Friday 08:00 – 21:00. Saturday 08:00 – 20:00. Sunday 08:00 – 18:00.
Business (Mobile)

Number: 8002
Opening Times: Monday – Friday 08:00 – 20:00. Saturday and Sunday 09:00 – 17:00.
Pay Monthly (Landline)

Number: 0344 8090202
Opening Times: Monday – Friday 08:00 – 21:00. Saturday 08:00 – 20:00. Sunday 08:00 – 18:00.
Pay As You Go (Landline)

Number: 0344 8090222
Opening Times: Monday – Friday 08:00 – 21:00. Saturday 08:00 – 20:00. Sunday 08:00 – 18:00.
Business (Landline)

Number: 0800 9777337
Opening Times: Monday – Friday 08:00 – 20:00. Saturday and Sunday 09:00 – 17:00.
From Abroad

Pay Monthly

Number: +44 344 8090202
Opening Times: Monday – Friday 08:00 – 21:00. Saturday 08:00 – 20:00. Sunday 08:00 – 18:00.
Pay As You Go

Number: +44 7860 980202
Opening Times: Monday – Friday 08:00 – 21:00. Saturday 08:00 – 20:00. Sunday 08:00 – 18:00.
Business

Number: +44 808 1004439
Opening Times: Monday – Friday 08:00 – 20:00. Saturday and Sunday 09:00 – 17:00.
Complaints and Ombudsman Information

If you’re not satisfied with our service, you can contact our Complaint Review Service directly by email or post at O2 Complaints Review Service, PO BOX 694, Winchester, SO23 5AP.
The Communications Ombudsman can help sort out a complaint with us as a communications company. Call them on 0330 440 1614 or write to Communications Ombudsman, PO Box 730, Warrington, WA4 6WU.
The Financial Ombudsman Service can help with complaints about financial products. Call them on 0300 1239 123, email [email protected], or write to Financial Ombudsman Service, Exchange Tower, London, E14 9SR.
Ofcom Information

Ofcom is the telecommunications regulator. They don’t investigate individual complaints from customers, but they can provide information and advice. If something has gone wrong, please let us know so we can try to put things right.

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