Telephone Serv-Long Dis American Telesource International 12500 Network Blvd San Antonio, TX 78249 (210) 547-1007 Fax: (210) 641-5683 Member Since 2000 See Also - Telephone Serv-Long Dis I:COMM Networks Inc. 12000 Network Blvd Ste 410 San Antonio, TX 78249 (210) 699-4933 Fax: (210) 561-5930 Member Since 1998 See Also - Telephone Serv-Long Dis MCI WorldCom 20855 Stone Oak Parkway San Antonio, TX 78258 (210) 484-8484