The contact number for Three is available directly from their website at no or lower cost
0333 338 1001
Call Connection, Calls cost 7p per minute plus your standard network charge.
Please ensure you have the bill payers permission before calling.
This website provides hard to find phone numbers as a call connection service, and is not associated with the company.
If you’d like to make a complaint to Three you can phone the number, where they will take details of complaints about their network, customer care, mobile, broadband, 5G and more.
Three Complaint Numbers
| Department | Opening Hours |
|---|---|
| Three Complaints | Monday to Friday 8am to 8pm, Saturday and Sunday 9am to 6pm |
| Three Network Complaints | Monday to Friday 8am to 8pm, Saturday and Sunday 9am to 6pm |
| Three Mobile Complaints | Monday to Friday 8am to 8pm, Saturday and Sunday 9am to 6pm |
| Three Broadband Complaints | Monday to Friday 8am to 8pm, Saturday and Sunday 9am to 6pm |
| Three Business Complaints | Monday to Friday 8am to 8pm, Saturday and Sunday 9am to 6pm |
| Three 5G Complaints | Monday to Friday 8am to 8pm, Saturday and Sunday 9am to 6pm |
Three Complaints
If you’re disappointed with the service or customer care that you’ve received from Three you can phone the number to make your complaint. When you call this number they will take the details of your complaint, whether you’re unhappy with a particular product you’ve purchased from them, or the service that you’ve received with that product. Give as much detail as you can in regards to your complaint, and they will do their best to get it resolved quickly for you.
Three Complaints Email
There isn’t a direct email address for you to send your complaint to Three, instead, you can contact them via the live chat function on their website. This live chat is available from 8am to 11pm, seven days a week. Their trained advisors are on hand to give an instant response to your complaint.
Three Network Complaints
Call the number to make a complaint about the Three Network. You can phone this number to make complaints about connecting to the network, or issues you’ve had with signal on your mobile phone. If you find that you can’t send messages, or make or receive calls for a period of time, call the number above to make your complaint and find out if there is an issue with the Three Network.
Three Mobile Complaints Procedure
The Three Mobile complaints procedure is relatively straight forward, and you can contact them in a number of ways to make your complaint. The quickest way of doing so is by calling the number above to make your complaint. When you phone, their trained advisors will take the details of the complaint and assess whether they will be able to offer a resolution for the case then, or if they will need to investigate it further.
Three aim to have all complaints resolved within 14 days. If you’re not happy with the outcome of the complaint, you contact the Communication Ombudsman who will review your case independently and give their verdict on it.
Three Mobile Complaints
If you’d like to make a complaint about a Three Mobile you can phone the number. When you call this number you can make complaints about Three contract mobiles or Three Pay As You Go SIM mobiles too. You can phone this number to make complaints about your account, issues with broken or faulty mobiles, or anything else you’re having issues with.
Three Complaints Address
If you’d prefer to send your complaint in writing to Three, you can send it to the following address:
Three Customer Complaints
Hutchison 3G UK Ltd.
PO Box 333
Glasgow
G2 9AG
Three Broadband Complaints
Make a complaint about Three Broadband by calling the number. When you phone this number you can make complaints regarding the speed of your broadband or issues you might have connecting new devices to the broadband. If you notice your broadband isn’t working for a long period of time, you can phone this number to find out what the issue is and make a complaint about it.
Three Business Complaints
If you have a Three Business account you can call the number to make your complaints relating to this. When you call this number you can complain about issues with your account, problems you’re having with the products, payment and bill concerns and anything else.
Three 5G Complaints
Three are currently putting 5G in a number of cities across the country, if you’d like to complain about this, you can phone the number. If you’re unhappy about the work being carried out in your area, maybe it’s affecting your day-to-day life, you can phone this number to raise your concerns.