USA calling card was founded to give the consumer the best quality prepaid international calling cards available on the market, at the lowest cost possible. With today's technology, we are able to near immediately allow our customers the use of cheap phone cards, both domestic and international prepaid calling cards via e-mail.
| From country | To country | Rates,¢/min | |
| USA | Bulgaria | 4.90 | Buy calling cards |
| USA | Bulgaria - Sofia | 2.90 | Buy calling cards |
| USA | Bulgaria - CELL | 14.90 | Buy calling cards |
We brings your the best calling cards for all international destinations at the lowest rates on the web. You won't find any cheaper rates to USA, Canada, Europe, Asia, Africa.