You can order a new SIM card through your My Account portal. To do this, firstly login to My Account.
Click the Asset Management menu option and then Mobile Management. The page displays all your live mobile services.
Find the asset(s) you want to update. Filters can be used to assist with this. Select the relevant mobile number.
Please note if you need to order a SIM for more than one number, you will need to do this individually.
Select the Order New SIM action from Select Actions then click Apply.
Enter the SIM Card Type and Delivery Address, then click Submit.
The request will have been submitted.
SIM cards are sent by Royal Mail 2nd class delivery. Please allow between 2-5 days to receive your SIM.