Posicash | Wireless Phone Cards Giftcards CashCards BillPay PosiCash, exclusively provided by Ambess Prepaid, enables retailers of all sizes to sell a multitude of prepaid products and services, on-demand, 24 hours a day, 7 days a week. Ambess Prepaid (incorporated in 1991) is the exclusive provider of PosiCash, and is a leading U.S. provider of prepaid products and services. Posicash.com~Site InfoWhoisTrace RouteRBL Check