Three Mobile Contact Number UK 0800 033 8002

The helpline number shown above has been taken directly from the Customer Service website. Which can be found here.. Simply call to go through to the department.

 customer service helpline number

Mobile Network Operator

Best calling hours
09:00-18:00 GMT
Main Address
Three Mobile Customer Complaints
Head Office address
Hutchison 3G UK Ltd
PO Box 333
G2 9AG