If you're an existing customer and have changed your phone you may find it requires a different size SIM card. Please follow these simple steps to help get your phone up and running.
Our partnership with Vodafone means you can use your mobile across 99% of the UK. See how strong your local coverage is and any problems with the network.
The Message Centre Number is responsible for the delivery of an SMS message sent from a Mobile Service. TalkTalk Mobile Message Centre Number is +447785011324.
If you're moving your mobile service to O2 or another network, you might find that your phone is locked to Vodafone. You'll need to get your phone unlocked before you can use another network SIM card. The good news is, we can arrange this for you free of charge.
A PIN is a 4-8 digit code that you’ll need to enter to activate your SIM every time you turn your mobile phone on. It’s not activated by default and you'll need to turn it on and then change it to something more personal to you.