What is the mailing address for payments

AppleCard payments are to be made electronically per the terms of the cardmember agreement.

Special arrangements can be made by contacting GS for unusual circumstances.

How to make Apple Card payments - Apple Support

Apple support for Apple Card is available at: https://getsupport.apple.com/products

You can possibly verify the address through Apple Support there or get help with other issues.

Payment support is available at: How to make Apple Card payments - Apple Support

DO be aware that “mail-ins” - even if historically accepted - will still be considered “Non-Conforming” under the T&C.

As such they are at-risk of mis-handling en-route and/or delayed posting to your account; and even possible refusal.

It’s always advantageous to “Know where you stand.”