MCI Telecommunications Corporation 205 North Michigan Avenue Chicago, IL 60601 312 856-2121 EXHIBIT 10.20 PREPAID CARRIER REFERRAL PROGRAM AGREEMENT This Agreement (this "Agreement") by and between MCI TELECOMMUNICATIONS CORPORATION ("MCI"), 3 Ravinia...Prepaid Carrier Referral Program Agreement • October 10th, 1996 • Smartalk Teleservices Inc • Communications services, nec • New York
