| CoID | Company | Type | Status | States Served | 24X7 Phone |
|---|---|---|---|---|---|
| TDSNH | The Derryfield School | PBX/PS911/Shared Tenant | A | NH | 208-720-2239 |
| TDSVP | TDS | VoIP Provider | A | USA - Nation Wide | 888-790-1216 |
| TEC | Tampa Electric Company - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) | C | FL | 813-225-5139 |
| TECHE | TechEd Network, Inc.(Cancelled) | VoIP | C | CA | 916-787-3511 |
| TECHM | TechMaster Enterprises LLC | VoIP Provider | A | USA - Nation Wide | 773-295-7911 |
| 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 |
| 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 |
| 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 |
| 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 | 323-892-8688 |
| 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 |
| 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 |
| TGTEL | Thacker-Grigsby Telephone Co. Inc. | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) ILEC | A | KY | 606-785-9555 |
| THAI | Thai Summit America - CANCELLED | CLEC Facility | C | MI | 888-564-8881 |
| THINK | Fuze Inc. | VoIP Reseller | A | USA - Nationwide | 617-453-0900 |
| THRSH | THRESHOLD COMMUNICATIONS INC | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) Internet Protocol Relay Provider VoIP Reseller VoIP Provider | A | USA - Nation Wide | 206-812-6200 |
| 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 | VoIP Provider | 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 | VoIP Reseller VoIP Provider | A | USA - Nationwide | 832-720-3117 |
| TIPS | True IP Solutions LLC | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) VoIP Provider | A | USA - Nation Wide | 877-847-7662 |
| TIT73 | Titeflex Corporation - CANCELLED | PS/ALI | Private Switch | C | USA | MA | 800-773-7911 |
| TKLNK | TekLinks | Database Management System Provider VoIP Provider | A | AL | MS | TN | 800-772-8250 |
| TLCI | Teralinks Consulting Inc | PBX/PS911/Shared Tenant VoIP Reseller VoIP Provider | A | USA - Nationwide | 416-855-9945 |
| TLCMP | TeleComp | VoIP Provider | A | USA - Nation Wide | 888-831-9400 |
| TLDNT | Teltronics Inc -Telident Systems Grp (Cancelled) | PBX / 911 | C | USA | 800-536-4911 |
| TLGNT | Teligent (Cancelled) | Resale, Fac | C | Nationwide | 800-269-3563 |
| TLIAX | Teliax Inc | VoIP Reseller | A | USA - Nation Wide | 888-483-5429 |