How to complain.
Get an instant response.
Our dedicated Customer Relations Team are trained to handle your complaint. You can contact us online by using Live Chat, which is normally the quickest and most efficient way of resolving your complaint. There’s a short web form to complete and then we can start chatting.
Live chat is open 8am to 11pm, 7 days.
You’re also welcome to let us know about your issue by phone. Our Customer Service teams are available by phone from 8am - 8pm Monday to Friday, and 9am - 6pm Saturday and Sunday.
- From your Three phone*
- From any other phone**
0333 338 1001
- From your Three phone*
- From any other phone
0333 338 1030
- From abroad***
+44 7782 333 333
Write to us.
If you'd like to complain by post, simply write to us at our address.
Three Customer Complaints
Hutchison 3G UK Ltd.
PO Box 333
Contact the Ombudsman.
If your complaint still isn't resolved after contacting us using the above methods, you can ask the Ombudsman to look at your case for free.
If we are unable to reach agreement within 8 weeks we will provide details of how to contact the Ombudsman.
The Ombudsman is an independent organisation dedicated to sorting out disputes between customers and providers, and Three will be bound by its decision. You can find out more about how to complain to us by reading our Customer Complaints Code.
For airtime and sim complaints:
Ombudsman contact details:
Fax: 0330 440 1615
Phone: 0330 440 1614
Textphone: 0330 440 1600
Online: Ombudsman's website.
Ombudsman Services: Communications
PO Box 730
For Device Finance complaints:
Financial Ombudsman Service contact details:
Telephone: 0800 0 234 567 or 0300 123 9 123 (mobile)
The Financial Ombudsman Service
If your complaint is about a purchase you made online and we’ve been unable to resolve your concerns through our complaints process, you can submit your complaint through the European Commission’s online dispute resolution platform, instead of contacting the Ombudsman directly. You can find the platform and more information on how it works here: http://ec.europa.eu/consumers/odr
The platform simply facilitates the investigation and resolution of your complaint through the Ombudsman so, if you’re unhappy, you may find it easier to contact the Ombudsman directly. Remember, you can only use the platform if your complaint comes from an online transaction. If you made your purchase over the phone or in store, you need to contact the Ombudsman using the contact details above.
*Free, unless you're on one of our Essential plans, in which case it will come out of any available minutes allowance or charged at your out of allowance rate of 35p per minute.
**Standard call rates apply.
*** Standard roaming costs apply. Find out about our international charges.