| CoID | Company | Type | Status | States Served | 24X7 Phone |
|---|---|---|---|---|---|
| ZTBOM | Zurcher Tire | PBX/PS911/Shared Tenant | A | IL | IN | IO | MI | MO | 260-692-0381 |
| ZTEL | Z-Tel Communications (CANCELLED) | CLEC | C | CA, NV | 800-275-0014 |
| ZYFX | Zyfexx Inc. - CANCELLED | VoIP Provider | A | KY | OH | WV | 740-456-0839 |
| ZYIS | Zyis Digital - CANCELLED | 9-1-1 Admin-CPE ALI (9-1-1 Jurisdiction/PSAP ONLY) PBX/PS911/Shared Tenant VoIP Reseller | C | FL | 954-280-8324 |