To log in to your Afterpay Account:
* Go to www.afterpay.com
* Click on the Log In button
* Type in the Email Address you used to place your order/s
* Enter your Password
From their please click on My Account and choose to update your number.
The process includes verification via your registered email address, it only takes a couple of seconds.
A verification code will be sent to your new number at which point all correspondence will be sent to your new number.