| Business | Phone |
| Amerivision Communications Inc 201 Nw 63rd St # 200, Oklahoma City 73116 | (405) 879-0525 |
| Avaya Inc 2233 W I 44 Service Rd, Oklahoma City 73112 | (405) 528-7500 |
| Discount Long Distance 5909 Nw Expressway St # 403, Oklahoma City 73132 | (405) 721-5700 |
| Long Distance Management 5400 N Grand Blvd, Oklahoma City 73112 | (405) 947-1045 |
| Mci 210 Park Ave # 2230, Oklahoma City 73102 | (405) 415-0100 |
| Powernet Global 9101 N Western Ave, Oklahoma City 73114 | (405) 843-5362 |
| Red River Networks Llc 201 Robert S Kerr Ave # 500, Oklahoma City 73102 | (405) 236-2099 |
| Westel Long Distance Comm 3030 Nw Expwy, Oklahoma City 73112 | (580) 242-3643 |