Call cards are small cards used to make international phone calls. These cards are available at various stores and can also be purchased online. They come in different denominations and offer varying call rates to different countries. Synonyms for call cards include international calling cards, phone cards, pre-paid calling cards, global calling cards, and long-distance calling cards. These terms are used interchangeably and refer to the same product. Call cards offer a convenient and cost-effective way to stay connected with friends and family abroad. With the increasing popularity of online calling services, call cards remain a reliable option for those who prefer traditional methods of communication.