Samsung a157 GoPhone (AT&T)

AT&T's pay-as-you-go GoPhone plans are wireless plans made easy, simply pay in advance for what you need. No long-term contracts, credit checks, or surprise bills--just all the benefits of wireless, with no complications. In addition, AT&T's Rollover Balance feature lets you carry over your unused account balance when you purchase refill minutes before your balance expires. Other great GoPhone features include no long distance or roaming fees across AT&T's national service area, the ability to track usage via text messages with an updated balance after each call, and the ability to refill your minutes 24-hours a day, 7-days a week.

You can also choose to add international long distance for calling to over 50 countries (including Mexico landlines and Canada) for just $10 for 250 minutes. And you can cancel any time without penalty.