Wondering which plan is right for you? Of course, AT&T has more plans through its Prepaid service, including those with limited data if they don’t need an unlimited option. Here’s a quick ...

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.

When it comes to finding a prepaid phone plan, traditional carriers like AT&T, Verizon and T-Mobile aren't your only options. Here are our picks for the best prepaid phone plans this holiday season.