Pre-paid Phone Cards For consumers who either do not have a home phone or need to make phone calls when away from home, prepaid phone cards can offer ease of use, convenience and savings. While there are numerous such cards to choose from, not all cards are created equal. Nor are all cards problem free. Virtually unheard of in this country just five years ago, today prepaid phone cards are available just about everywhere in the United States. Such cards enable consumers to make calls when away from home or office. The cards can be used at just about any touch-tone telephone, as well as at pay phon