A telephone system for facilitating telephone calls including toll calls from any available telephone station for prepaid customers, said system comprising: (a) means for coupling a calling party station to a special exchange; (b) memory means in said special exchange for storing special customer codes and credit information individual to each prepaid customer; (c) means for verifying said calling party responsive to a code transmitted from the calling party's station to the special exchange when one of the codes matches the code in the memory means and the calling party has unused credit and; (d) means for completing a call from said calling party station to a called station responsive to said verification, said means for verifying including means for monitoring the credit of the calling party during a completed call. view more