Change credit card # for iCloud

Hi 1481-1510,

We'll be glad to look into this with you further. In order to add or change a payment method on your iPhone, you'll need to follow the steps here: If you need to change or update your Apple ID payment method - Apple Support

"Update your payment method on your iPhone or iPad

1. Open the Settings app.
2. Tap your name.
3. Tap Payment & Shipping. You might be asked to sign in with your Apple ID.
4. Tap Add Payment Method, enter the new payment method, then tap Done.
5. Tap Edit.
6. Tap the red delete button next to the old payment method, then tap Delete.

"

Following those steps should resolve this for you.

Cheers.