1 Card International
is offering a free calling card with network services by MCI/Worldcom. You pay nothing until you need to use the card. Then, you are charged at the rate of 13.9 cents/minute for all calls made and received within the United States.
is giving away 2 free hotel nights to every US resident who signs up for their affordable long distance phone plan (which offers 4.5 cent/minute interstate calling).