| IXC ID | IXC Name | Effective Date of Representation |
| ATT | AT&T | 2Q1992 |
| BST | AT&T SERVICES, INC. (BST) | 2Q2004 |
| CBTS | CBTS | 1Q2018 |
| GCI | GENERAL COMMUNICATIONS INC. | 4Q1997 |
| PAYGO | PAYGO MOBILE, LLC | 3Q2014 |
| TOUCH | VERITAS PREPAID PHONE COMPANY LLC | 3Q2004 |
| VZ | VERIZON | 3Q2009 |
| XOCOM | XO COMMUNICATIONS | 4Q2002 |