| 2026-03-20 | Communication Dynamics Ltd | RMD0035280 | | VSP | None | Listed |
| 2026-03-20 | COMMULUS, INC. | RMD0035105 | Florida | VSP | None | Listed |
| 2026-03-20 | Comcast Phone of Texas, LLC | RMD0037346 | Pennsylvania | VSP | Complete | Listed |
| 2026-03-20 | Comcast Phone of California, LLC | RMD0037343 | Pennsylvania | VSP | Complete | Listed |
| 2026-03-20 | Coe & Company | RMD0035712 | Louisiana | VSP | None | Listed |
| 2026-03-20 | Cobalt Ridge LLC | RMD0038283 | Texas | VSP | None | Listed |
| 2026-03-20 | CLTel Long Distance, Inc. | RMD0038110 | Iowa | VSP | Partial | Listed |
| 2026-03-20 | Cloud Vision Technologies LLC | RMD0036560 | New Jersey | VSP | None | Listed |
| 2026-03-20 | Cloud Unify, LLC | RMD0038066 | Kentucky | VSP | None | Listed |
| 2026-03-20 | Cloud Tops Inc. | RMD0038718 | Florida | VSP | None | Listed |
| 2026-03-20 | Cloud Integrated Technologies, Inc | RMD0038607 | Florida | VSP | Complete | Listed |
| 2026-03-20 | Cloud 9 Wireless LLC | RMD0035174 | Tennessee | VSP | None | Listed |
| 2026-03-20 | Cloud 12 PBX | RMD0038774 | Alabama | VSP | Complete | Listed |
| 2026-03-20 | Clifix Inc | RMD0037556 | New York | VSP | Complete | Listed |
| 2026-03-20 | Clear Voice Technologies LLC | RMD0038599 | Oregon | VSP | None | Listed |
| 2026-03-20 | CKA Tech LLC dba Clarity VoIP | RMD0038640 | California | VSP | None | Listed |
| 2026-03-20 | CityReach Technologies, Inc. | RMD0037916 | Florida | VSP | None | Listed |
| 2026-03-20 | Citizens Telephone Co., Inc. | RMD0035991 | Georgia | VSP | Partial | Listed |
| 2026-03-20 | Cite Technology Solutions LLC | RMD0038461 | Louisiana | VSP | Complete | Listed |
| 2026-03-20 | CHPros VoIP LLC | RMD0035121 | New Jersey | VSP | Complete | Listed |
| 2026-03-20 | Choice One of New Hampshire Inc. | RMD0038352 | Arkansas | VSP, GW | Partial | Listed |
| 2026-03-20 | Choice One Communications Resale L.L.C. | RMD0038350 | Arkansas | VSP, GW | Partial | Listed |
| 2026-03-20 | Choice One Communications of Rhode Island Inc. | RMD0038348 | Arkansas | VSP, GW | Partial | Listed |
| 2026-03-20 | Choice One Communications of Pennsylvania Inc. | RMD0038346 | Arkansas | VSP, GW | Partial | Listed |
| 2026-03-20 | Choice One Communications of Ohio Inc. | RMD0038344 | Arkansas | VSP, GW | Partial | Listed |