There are two kinds of Pre-Paid Phone cards are available in the U.S.A. The first one is called disposable ones while the other one is called rechargeable one. These cards can be purchased from any merchant and it will have number of calling minutes according to the money you pay to them. So this one looks like as you had paid for the phone service in advance. The disposable card can be thrown away once you had made the calls.

The rechargeable phone cards will allow you to refill the card your call minutes are over. If you have any small balance in the card it can be added to your new balance. With most of the phone cards you have to dial the toll free number first and then enter the PIN number before you want to make a call The call will be connected through a computer in return and it will tell you how many minutes you have in your account with them.

Then you can dial the desired number once the call is connected and the computer will show you the balance till you stop or the balance come zero. Depending on the card type you can throw it or can recharge it. If you have phone cards with you, then it is not necessary to carry coins to make calls. This method is good for those people who don’t have a telephone account. This card will be cheaper than the other calling methods. This seems more secure money wise, if you lost it you will loose only the remaining money in that card. You must take care that some of these cards may stop before the full time, that was displayed in the phone cards.

The support calling cards may be slow or in poor quality. Some time the access number may be busy all the time and you won’t make any call at all. Some time the PIN won’t work. Company hot line or contact may not work. They may charge you for more minutes for at connection time. Call rates may higher than they said in the advertisement. Some operators may cancel your account if you don’t use in certain time. If you are going to buy any phone card first check whether the company names and toll free numbers are printed on the card, If the number is not toll free don’t buy it. If you have any trouble, contact the phone card’s company or the public service commission in your state.

AT&T 1000-Minutes US & International Rechargeable PrePaid Phone Card.

Imagine no more surprises on your phone bill. This AT&T 1000-Minutes Rechargeable Worldwide Prepaid Phone Card offers state-to-state calling within the U.S. at less than six cents a minute. International rates are higher, and in-state rates may be higher on this US & International Pre-Paid Phone Card. Optional add-on features* can be added to make your calling more convenient with this AT&T PrePaid Phone Card. Info to Go is an optional feature that provides weather, sports and more.** Please read the Terms and Conditions below before purchasing the AT&T 1000-Minutes Rechargeable Worldwide Prepaid Phone Card.

AT&T 1000-Minutes US & International Rechargeable PrePaid Phone Card:

US & International PrePaid Phone Card offers U.S and international calling capability
No expiration
No hidden surcharges
No monthly fees
Rechargeable — additional minutes can be added to card or sign up for AT&T Autominutes
AT&T Autominutes: Have minutes automatically added to your card when your balance is low

Save time and simplify calling with these optional features included on your AT&T Pre-Paid Phone Card at no extra charge.
PIN-less Dialing: Make calls without entering the PIN on the back of the card
Lost Card Protection: Provides added security by replacing your card minute balance if the card is lost or stolen
Speed-dial: Program up to 10 frequently called domestic numbers so you will have one-touch dialing capability for those numbers

More Info on pre paid phone cards.