These days, there are a variety of calling cards for inexpensive and budget saving prepaid calling phone card for travelers. There are different types of cards to cater for your needs. The International Callback cards are especially convenient for folks that travel around the world frequently, when you want to save on hotel long distance phone bills, when you want to look for a convenient and cheap way of calling from any country to any country in the world and when you have internet connection to access the call back form.
Then there is the Prepaid Calling Cards which offers the lowest rates available to selective originating and destination countries. These cards are for folks that don't mind entering PIN numbers; you will find the rates are cheaper than other cards and you don't have a phone number to register with permanent PIN or Pinless Dialing calling cards.
Alternately there is also the choice of Permanent PIN/Pinless Dialing Cards. This works best for folks who didn’t want to remember PIN numbers. You can register your phone number and recharge your account anytime. Calls can be made from any country to any country. Head over to one of the largest retailer of phone card that offers 435 phone cards for customers to choose from in the United States alone.