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.

Compatible with most AT&T Prepaid mobile phones Redeemable for talk time, text messaging, games and other AT&T Prepaid services $65 value ...

AT&T Prepaid is giving away free and discounted phones for tax season. Visit any store before April 17 to grab these deals.

We'll also cover the lowest rates possible with this service with a detailed explanation, although fair warning - like AT&T prepaid plans, Verizon's plans tend to be a little pricier than those ...