Register for My3

Please enter your mobile number so that we can get you started with your registration.

Existing Customers

Are you with Three? Enter your mobile number below to start your registration for My3.

Why register for My3?

It’s a brilliant, free service that allows you to manage your account online and on your phone. It’s easy to use, and lets you do stuff like check your allowances & usage, buy top up, view your bills and much more.