| CoID | Company | Type | Status | States Served | 24X7 Phone |
|---|---|---|---|---|---|
| BUD | Budget Telephone (CANCELLED) | Facility | C | LA | 866-309-8634 |
| BUESD | Buckeye Union School District | PBX/PS911/Shared Tenant | A | CA | 916-581-9000 |
| BUF | Buffalo-Lake Erie Wireless System Co. LLC - CANCELLED | Wireless/Cellular/PCS VoIP Provider | C | NY | PA | 716-713-3011 |
| BULK9 | Bulk Solutions LLC | VoIP Reseller VoIP Provider | A | USA - Nationwide | 310-906-0901 |
| BULL | Bullseye Telecom Inc. | VoIP Provider | A | USA | 888-825-2254 |
| BUMFS | Burlington United Methodist Family Services Inc. - CANCELLE | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) | C | WV | 304-788-2342 |
| BURR | Burroughs & Chapin Co | PBX/PS911/Shared Tenant | A | SC | 843-848-4444 |
| BURT | Burt Telephone Company(Cancelled) | LEC | C | Kossuth County, IA | 515-924-3224 |
| BURTL | Burlington Telecom | Cable Digital CLEC Facility PBX/PS911/Shared Tenant VoIP Provider | A | VT | 802-540-0007 |
| BUSD | Bellflower Unified School District - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiciton/PSAP ONLY) | C | USA | 562-804-7384 |
| BUSD1 | Bonita USD | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) | A | CA | 909-971-8200 |
| BUTI | Bussiness Automation Technologies | CLEC Facility CLEC Reseller CLEC UNE VoIP Provider | A | NJ | NY | PA | 732-741-5889 |
| BVCRK | Beaver Creek Cooperative Telephone Co | Cable Digital CLEC Facility Co-Op/Rural ILEC Wireless/Cellular/PCS | A | OR | 503-632-3113 |
| BVCSO | Beaver County Sheriffs Office - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) | C | UT | 435-438-2862 |
| BVILE | Barnesville Municipal Telephone | ILEC | A | MN | 218-354-2292 |
| BVINC | BroadVoice Inc.(Cancelled) | VoIP | C | Continental US | 978-418-7350 |
| BVN | BVN Telecom Group | VoIP Provider | A | USA - Nationwide | 305-590-8080 |
| BVRCO | Beaver County - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) CLEC Facility CLEC Reseller | C | USA - Nation Wide | 724-624-0095 (Unverified) |
| 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 |
| BWICK | Town of Brunswick | PBX/PS911/Shared Tenant | A | Maine | 207-725-5521 |
| 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 | CLEC Facility | C | USA - Nationwide | 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 |