You can activate your AT&T SIM in-store, online, or by contacting customer service. The process is similar for postpaid and AT&T prepaid customers.
AT&T launched a new prepaid plan to assist customers with credit challenges in accessing premium devices and financing options. The AT&T Unlimited Level Up plan, announced via AT&T and reported by ...
AT&T Prepaid is giving away free and discounted phones for tax season. Visit any store before April 17 to grab these deals.