Fox Business: What exactly is a billing ZIP code, and why do credit cards need it?
What exactly is a billing ZIP code, and why do credit cards need it?
AOL: What Is a Billing Zip Code? How To Find Yours for Your Credit or Debit Card
What Is a Billing Zip Code? How To Find Yours for Your Credit or Debit Card
You cannot switch it online. It sounds like they added an entirely new phone line with a new phone number on the value plus plan which is an individual plan only. You'll have to contact AT&T about doing a transfer of billing responsibility to add that phone line to your unlimited starter plan
In the Microsoft 365 admin center, you can manage the payment information and billing for your Microsoft 365 subscription. From here you can review your invoices, add a new payment method, or check your other Microsoft billing information.
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
Learn about your Microsoft Customer Agreement billing account, including billing profiles and invoice payment methods.
Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...