SwitchBox - AT&T Sim Card with online account access.
$5 initial credit on account
Expires after 30 days and a minimum $10 credit must be added to account (1-month service) or $25 for 3-months service. There is a 60 day grace period once the account is at $0, before it will be deactivated with AT&T.
More information on the AT&T Pay-As-You-Go plan HERE
SIM card ships with a free online account access. Login with your unique Switchbox phone number and pin 1234 at the website HERE or call 800-901-9878