Three Telephone Number 333
Need to get in contact with customer service staff of the UK division of telecommunications and internet service provider Three? This information below will help you make the connection, and get your questions answered.

Contact Three by telephone
To get your phone-related questions answered by Three, the customer support telephone number is 333. From another phone you should call 0333 338 1001, or if abroad call +44 7782 333 333. To discuss mobile broadband issues, call 500 from your Three phone, 0333 338 1003 from other phones or +44 7782 333 500 from abroad. Lines are open 8am to 8pm during the week and for slightly shorter hours at weekends.
Alternative ways to contact Three
If you prefer to write a letter, the address is: Three Customer Services, Hutchison 3G UK Ltd, PO Box 333, Glasgow G2 9AG. But for online or other electronic communication, go to Three to see the options. These include a live chat service and a feedback form.