AT&T prepaid phone cards are used to refill AT&T GoPhone wireless, home and hotspot device accounts with minutes and data. AT&T has refill cards available in values between $20 and $60 on its website. Refill cards can also be purchased at retailers nationwide.
GoPhone is AT&T's prepaid wireless phone service that is available for many of the most popular smartphones such as the iPhone 5s, HTC Desire, LG G2, HTC One and Samsung Galaxy S5. A home version of the GoPhone service uses a hotspot to connect wireless phone bases to the AT&T network. GoPhone service does not require a contract and can be cancelled by discontinuing payment at the end of any service period.