Learn about the convenient options to pay your wireless bill – with your online account, over the phone, in person, or by mail. Find more Wireless support on. Learn how to pay your AT&T bill using the myAT&T app or our mobile site (m. att. com/myatt), via text message, or by calling. Find more Wireless support on. Log into myAT&T to view and pay your AT&T bills online, manage your account, or upgrade your AT&T Wireless, U-verse, Internet, and Home Phone services.