AT&T Wireless is an American telecommunications provider headquartered in Dallas, Texas.
Cancellation Guide Within 14 Days
AT&T Wireless allows users to return their phone and cancel their contract for a full refund within 14 days of purchase. Less a $35 restocking fee on most equipment.
Cancellation Guides After 14 Days
AT&T's website states the early termination fee of, "$325 minus $10 for each full month of completed Service Commitment" for advanced devices, and "$150 minus $4 for each full month of completed Service Commitment" for simple devices.
Cancellation Without a Fee
You can avoid paying the early termination fee if you are moving to a different country, going on military deployment, moving to an area in America with no AT&T service, or if AT&T makes material changes to your contract.
You can reach AT&T Wireless's customer service at 1-800-331-0500 or dial *611 from a phone under contract with AT&T.