Pingo provides "virtual" calling cards designed to provide its customers with the best prepaid calling card experience, including quality, convenience, and customer service at the most competitive rates available today. With Pingo calling cards there are no additional charges—just a nominal $.98 monthly maintenance fee—what you see is what you pay. Pingo phone cards are a service of iBasis, one of the ten largest carriers of international phone calls in the world. With Pingo, you can take advantage of the same high quality international service and price advantage iBasis has been providing to leading phone companies like AT&T, MCI, and Sprint on a wholesale basis since 1997.