| Company | Status | Now Known As | Street Address | Customer Contact No. | |
|---|---|---|---|---|---|
| X2 Comm, Inc. | Ceased Operations | DC Communications | 270 South Main Street Flemington, NJ 08822 | ||
| X2COMM, Inc. d/b/a DC Communications | Ceased Operations | 270 S Main St Flemington, NJ 08822 | |||
| X5 OpCo LLC | Ceased Operations | Magna5 LLC | 1008 Western Ave. Suite 400 Seattle, WA 98104 | ||
| XADAX, Inc. | Ceased Operations | ||||
| XAND CLEC, LLC | Ceased Operations | TierPoint, LLC | 11 Skyline Dr Hawthorne, NY 10532 | ||
| Xchange Telecom Corp. | Ceased Operations | Xchange Telecom LLC | 3611 14th Ave suite 215 Brooklyn, NY 11128 | ||
| Xchange Telecom LLC | Active | 148 39th Street Suite A12 Brooklyn, NY 11232 | 877-853-3443 | ||
| Xclutel, LLC | Ceased Operations | 2215 Enterprise Drive Suite 1512 Westchester, IL 60154 | |||
| XCOM Telephony, Inc. | Ceased Operations | ||||
| xDSL Networks, Inc. | Ceased Operations | ||||
| Xenex Telecom, L.L.C. | Ceased Operations | ||||
| Xiex Telecommunications, Inc. | Ceased Operations | ||||
| XO Communications Services, Inc. | Ceased Operations | N/A | 13865 Sunrise Valley Drive Herndon, Virginia 20171 | ||
| XO Communications Services, LLC | Active | One Verizon Way Basking Ridge, NJ 07920 | 800-424-0583 | ||
| XO LONG DISTANCE SERVICES, INC. | Ceased Operations | ||||
| XO New York, Inc. | Ceased Operations | ||||
| Xpect Communications, LLC | Ceased Operations | ||||
| XTel Communications, Inc. | Ceased Operations | XTel Communications, Inc. | 9 East Stow Road Suite F Marlton, New Jersey 08053 | ||
| Xtel, Inc. | Ceased Operations | ACG | |||
| Xtension Services Inc. | Ceased Operations | 3340 W. Market Street Akron, OH 44333 | |||
| Xtracom, Inc. | Ceased Operations | ||||
| XYN Communications of New York, LLC | Inactive | 8275 S. Eastern Avenue Suite 200 Las Vegas, NV 89123 | |||