STI MONSTER international calling card is a way to save money by pre-paying for long distance service that you use. You can save up to 30% of your phone bill if you use it the right way. STI MONSTER calling card can be used from United States to call international countries. We work towards getting you the lowest rate calling cards in the country. No monthly subscription is required with STI MONSTER prepaid calling cards service. Pins are delivered instantly upon completion of purchase.

If you are not satisfied with the STI MONSTER international phonecards you have purchased, do not hesitate to consult our customer service. We will gladly exchange any unused international calling cards for another brand of calling card. We appreciate if you would place a link to us from your web site(s). Click here for instructions on how to link to Star PhoneCard