Call our connection service to speak to O2 customer support.
0844 448 2970Calls cost 7p per minute plus your phone company's access charge.
Callers must be 18+ or have the bill payer's permission.
O2 is a major UK mobile network operator offering pay monthly, pay as you go, and SIM-only deals alongside broadband services.
You can call O2 customer service on 0844 448 2970 through our call connection service. Calls cost 7p per minute plus your phone company's access charge. We are an independent service and not affiliated with O2.
Most O2 customer service lines are open Monday to Friday 8am-8pm and Saturday 9am-5pm. Hours may vary for different departments. Call 0844 448 2970 and our service will connect you.
To make a complaint to O2, call 0844 448 2970 and ask to be put through to the complaints department. You can also write to them directly via their official website.
To cancel your O2 contract, call 0844 448 2970 and ask for the cancellations department. You may need to give 30 days' notice depending on your contract terms.
Call 0844 448 2970 to discuss upgrade options. O2 may offer special deals for existing customers looking to upgrade their package.