International long distance calling cards, phone cards, and prepaid wireless recharge cards. Patented instant calling card pin delivery.
Based in Miami Florida since 1995, Blackstone is a privately held company that provides a host of services to our clients an...d partners, including prepaid end-to-end solutions. The Blackstone Vision has focused on using state-of-the-art patented technology and flexible delivery systems to maximize product availability. From physical J-hook cards, POS terminals, and self-serve vending...