Originally Posted by tom911

I use an MCI card from Costco when I'm out of the U.S., and recharge it a couple times a year. If you have time left on it when you get home, you can use it for domestic calls, or to place calls outside the U.S. (or have your wife call you). They curently sell the card for $15.99.
Access numbers:
http://consumer.mci.com/internationa.../accessnos.jsp