| CoID | Company | Type | Status | States Served | 24X7 Phone |
|---|---|---|---|---|---|
| TECHE | TechEd Network, Inc.(Cancelled) | VoIP | C | CA | 916-787-3511 |
| TECHM | TechMaster Enterprises LLC | VoIP Provider | A | USA - Nation Wide | 773-295-7911 |
| TECHP | TechPro Inc. | USA - Nationwide | A | USA - Nationwide | 630-938-5301 |
| TECNO | TECNOWIRELESS | VoIP Reseller | FL | 888-832-9473 | |
| TEHCT | Town of East Hartford | PBX/PS911/Shared Tenant | A | CT | 860-291-7275 |
| TEKCX | Tech Connection Incorporated | VoIP Provider | A | HI | 808-695-4300 |
| TELBB | Telnes | VoIP Provider | A | USA - Nation Wide | 888-509-5551 |
| TELCN | TelCentris(Inactive) | CLEC Facility | C | CA | 800-755-8311 |
| TELCO | Orchatect LLC | VoIP Reseller | A | USA - Nationwide | 817-300-5334 |
| TELE | Telelero LLC | PBX/PS911/Shared Tenant VoIP Provider | A | USA - Nation Wide | 972-664-3822 |
| TELE1 | TeleVoIPs LLC | VoIP Provider | A | USA - Nationwide | 813-867-0129 |
| TELE9 | Ross Medical Corporation | PBX/PS911/Shared Tenant | A | USA - Nationwide | 608-432-5393 |
| TELEA | Telephone Associates Inc - CANCELLED | CLEC Facility | CLEC Reseller | C | MN | 715-392-8101 |
| TELEC | TeleCloud LLC | VoIP Provider | USA - Nationwide | 609-760-2357 | |
| TELEG | Telegia Communications Inc. | VoIP Provider | A | USA - Nation Wide | 240-529-2000 |
| TELEV | Televergence Solutions Inc | VoIP Provider | A | USA - Nationwide | 800-286-1700 |
| TELFN | Tellfon, Inc. (INACTIVE) | VoIP Reseller | C | Nationwide | 888-342-3911 |
| TELI | Telily | VoIP Provider | A | GA | 478-287-6588 |
| TELIP | TeligentIP | VoIP Provider | A | USA - Nationwide | 855-474-8464 |
| TELIX | Telix, LLC(Inactive) | CLEC Reseller, CLEC UNE | C | TX | 903-238-8691 |
| TELNE | Telnet Worldwide Inc. | Facility | A | MI | 248-593-8713 |
| TELOV | Telovations Inc. - CANCELLED | CLEC Facility | VoIP | C | FL | 813-774-4370 |
| TELPK | Telepak Networks Inc. | CLEC Facility CLEC Reseller CLEC UNE VoIP Provider | A | USA - Nationwide | 800-342-3716 |
| TELR | Telrite Corporation (INACTIVE) | CLEC Reseller | C | FL | 800-390-2956 |
| TELW | Tel West Communications, LLC (Cancelled) | Facility | C | WA | 800-813-3880 |
| TELX | Telx Telecom | VoIP Reseller | A | USA - Nationwide | 305-615-1066 |
| TELZI | Telzio Inc. | VoIP Provider | A | USA - Nation Wide | 888-998-9080 |
| TEON | Telecom One | CLEC Reseller VoIP Reseller | A | USA - Nationwide | 800-391-1551 |
| TERRL | Terril Telephone Cooperative | Cable Digital Co-Op/Rural ILEC | A | IA | 712-260-2293 |
| TESS | TESS Communications, Inc. (Cancelled) | Facility | C | CO, AZ | 303-879-9862 |
| test2 | New Test 2 | PBX/PS911/Shared Tenant VoIP Provider | USA - Nation Wide | 2026185997 | |
| TEST3 | NENATest | A | CA | 9093562337 | |
| TETRA | TetraVX | PBX/PS911/Shared Tenant VoIP Provider | A | USA - Nationwide | 847-283-7400 |
| TFL83 | Trapp Family Lodge | PBX/PS911/Shared Tenant | A | VT | 802-253-8511 |
| TGCTX | Tom Green County | PBX/PS911/Shared Tenant | A | TX | 325-655-8111 |
| TGEN | TGEN | Cable Digital | CLEC Facility | CLEC UNE | PBX/PS911/Shared Tenant | A | AZ | 602-343-8455 |
| TGS | Tecore Global Services LLC | Wireless/Cellular/PCS | A | MD | 410-872-6300 |
| TGTEL | Thacker-Grigsby Telephone Co. Inc. | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) ILEC | A | KY | 606-785-9555 |
| TH421 | NeutroCorp LLC - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) PBX/PS911/Shared Tenant Wireless/Cellular/PCS VoIP Provider | C | USA - Nationwide | 586-808-8061 |
| THAI | Thai Summit America - CANCELLED | CLEC Facility | C | MI | 888-564-8881 |
| THEPB | thePBX.net | VoIP Provider | A | USA - Nationwide | 646-209-4027 |
| THINK | Fuze Inc. | VoIP Reseller | A | USA - Nationwide | 617-453-0900 |
| THRSH | Threshold Communications Inc. | VoIP Provider | A | USA - Nation Wide | 206-812-6200 opt 1 |
| THRWD | Thirwood Place | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiciton/PSAP ONLY) | A | MA | 508-398-8006 |
| THUMB | Thumb Cellular | CLEC | A | MI: Huron | Tuscola | Sanilac | 989-453-4333 |
| TIBI | Tibbetts Internet - CANCELLED | VoIP Provider | C | USA - Nationwide | 909-64-25377 |
| TIBX | TiBX LLC | VoIP Provider | A | USA - Nationwide | 302-345-7706 |
| TICI | Thousand Islands Communications (Cancelled) | Facility | C | NY | 888-464-4726 |
| TIER2 | Tier 2 Communications dba Bright CLEC | CLEC Facility | CLEC Reseller | VoIP | A | OH | 888-618-4638 |
| TILTX | Technology Innovation Lab LLC DBA Smart Carrier | VoIP Reseller VoIP Provider | A | USA - Nationwide | 832-720-3117 |