| CoID | Company | Type | Status | States Served | 24X7 Phone |
|---|---|---|---|---|---|
| BVS | Baker Victory Services | PBX/PSALI/Shared Tenant | A | NY | 800-773-7911 |
| BVT | Baca Valley Telephone Company Inc | CLEC Facility ILEC | A | NM | 575-278-2101 |
| BVTC | Buffalo Valley Telephone Company-Cancelled (see WIN) | Facility | C | PA | 888-316-4430 |
| BVUO | Bristol Virginia Utilities OptiNet | Facility | A | VA | 276-591-3073 |
| BVX | Broadvox-CLEC LLC | CLEC Facility | A | AZ | CA | CO | CT | DC | FL | GA | HA | ID | IL | IN | KY | MD | MA | CI | MN | MO | NE | NJ | NY | NC | ND | OR | PA | TX | UT | WA | 800-933-1224 |
| BWB | BestWeb Corp | VoIP Provider | A | NY | 914-271-4500 |
| BWC | Bitwise Communications - CANCELLED | Cable | Digital | CLEC Facility | C | IL | 309-670-0552 |
| BWCI | iTV-3 LLC | CLEC Facility | A | IL | 309-689-0711 |
| BWFN | BalsamWest FiberNET | CLEC Facility VoIP Provider | A | NC | 888-225-7266 |
| BWID | Barclays - CANCELLED | PBX/PS911/Shared Tenant | C | 212-412-2020 | |
| BWLK | Bridgewalk Partners LLC | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) | A | FL | 941-809-0570 |
| BWN | Blue Water Networks | VoIP Reseller VoIP Provider | A | DE | NV | 702-887-1000 |
| BWT | Baltimore-Washington Telephone (CANCELLED) | CLEC Facility | C | MD | 800-998-5911 |
| BWTEL | BWTelcom | ILEC | A | NE | 308-423-2000 |
| BYTEC | Bay Springs Telephone Company DBA TEC Bay Springs Division | ILEC | A | MS | 601-764-2121 |
| BZCCO | Booz & Company - CANCELLED | PBX/PS911/Shared Tenant | C | USA | 480-719-8556 |
| C&CC | Cable & Communications Corporation - CANCELLED | Wireless/Cellular/PCS | C | MT | ND | 800-452-2288 |
| C1139 | Communications Technologies Inc. | VoIP Provider | A | USA - Nationwide | 636-537-7200 |
| C1250 | Conquest Solutions | VoIP Reseller VoIP Provider | A | USA - Nationwide | 770-953-2500 |
| C1AMA | Cellular One of Amarillo (Cancelled) | Cellular/PCS-Carrier | C | TX | 806-680-0085 |
| C2C | ConnectTo Communications, Inc(Inactive) | CLEC Facility | C | CA | 818-301-6870 |
| C5COM | Cloud5 Communications - CANCELLED | VoIP Provider | C | USA - Nationwide | 561-239-9507 |
| C911 | Culpeper County Public Safety Communication C | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) | A | VA | 540-727-7900 |
| C9292 | Compu-Phone Voice & Data | VoIP Reseller VoIP Provider | A | FL | MD | NJ | NY | PA | 718-230-9292 |
| CA911 | Care Angel - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) | C | USA - Nation Wide | 800-825-3227 |
| CAAG | Communication Axess Ability Group - CANCELLED | Video Relay Service | C | USA | 866-353-7268 |
| CAASM | California State Assembly | CLEC Facility | A | CA | 916-802-3433 |
| CABEL | California Bell Telecommunications - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) VoIP Reseller | C | CA | 805-622-3244 |
| CABLE | Cable Plus Management Company, LP (Cancelled) | PBX/CLEC | C | TX, WA, OR, AZ, NV, GA | 800-659-1381 |
| CABSC | Cabell County Schools | Other - (must identify below) | County School System with slightly less than 1000 lines | A | WV | 304-617-1950 |
| CADY | Cady Business Technologies | PBX/PS911/Shared Tenant VoIP Reseller VoIP Provider | A | USA - Nationwide | 763-398-8111 |
| CAEUS | CAE USA - CANCELLED | 9-1-1 Admin-CPE ALI | C | FL | 813-885-7481 |
| CAFF | InSight Communications (a Time Warner Cable Company) - CANCELLED | CLEC Facility | VoIP Provider | C | IN | KY | OH | 800-771-9124 |
| CAIT | CTRL ALT IT - CANCELLED | VoIP Reseller | C | OR | WA | 360-200-1742 |
| CALCM | Cal-Ore Communications Inc. | CLEC Facility | A | CA | 530-397-2211 |
| CALIN | CallCurrent Inc. | VoIP Provider | A | USA - Nationwide | 302-304-3646 |
| CALIP | Caliper Life Sciences (INACTIVE) | PBX/PS911/Shared Tenant | C | MA | 508-341-9894 |
| CALIS | Callis Communications Inc. - CANCELLED | VoIP Provider | C | AL | 800-772-8250 |
| CALL1 | Call One | CLEC Reseller | A | USA - Nation Wide | 312-681-8300 |
| CALLC | Callcorp | VoIP Provider | A | USA - Nationwide | 435-767-0588 |
| CALLP | CallPerfect - CANCELLED | VoIP Provider | C | USA - Nationwide | 714-457-7308 |
| CALLT | CallTower Inc. | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) VoIP Provider | A | USA - Nationwide | 801-208-6951 |
| CALNT | Cal.net Inc | CLEC Facility VoIP Provider | A | CA | 530-672-1078 |
| CALOR | Cal-Ore Telephone Co | Facility | A | Dorris | Macdoel | Newell | Tulelake | counties CA Klamath count | 530-397-2211 |
| CALTL | Calaveras Telephone Company | Facility | A | Copperopolos & Jenny Lind | CA | 209-785-2211 |
| CAM | Cameron Telephone Company | CLEC Facility ILEC | A | LA | 800-737-3900 |
| CAMB | Cambio Broadband LLC. - CANCELLED | VoIP Provider | C | CT | DE | MD | NY | 302-856-2666 |
| CAMBM | City of Cambridge | PBX/PS911/Shared Tenant | A | Cambridge | MA | 617-349-3300 |
| CAMEC | Cambridge Emergency Communications - CANCELLED | PBX/PS911/Shared Tenant | C | Cambridge | MA | 800-773-7911 |
| CAMEL | Camellia Communications | Facility | A | Greenville and Ft. Deposit | AL | 334-371-3000 |