Change addresses when you move. Learn how to change billing, primary place of use (ppu), and e911 addresses for your wireless account. Webthe mailing address to send your at&t bill payment to is: It’s critical to use this precise address on your. Webneed your at&t bill explained? Learn how to understand recent changes to your bill amount. Get help with paying bills, online payments, and autopay. Webto pay by mail, see your at&t bill for the payment mailing address in your area. To pay by phone, dial 611 from your at&t wireless device or call 800. 331. 0500. Webif you click by mail as your payment method, mail a check or money order to the address indicated on your bill. You’ll need to include a remittance form. To make a payment by. Webto pay your at&t bill by mail, make checks payable to ‘at&t’ and mail to: Make sure to include your account. Webwhere do i mail a payment to pay my at&t wireless bill? To pay your at&t wireless bill by mail, please make all checks payable to at&t and include your account number or payment slip. It can take up to ten days to receive and post the payment. Webyou can pay your at&t bill online, in person, over the phone, and by mail. > confirm your payment. Learn how to verify we received your payment and how to.