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| Raw Number | 301912 |
| Basic Format | 301-912 |
| NPA (Area Code) | 301 |
| NXX | 912 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | City | State | Region |
|---|---|---|---|---|---|---|---|
| 301-912-0XXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-1XXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-2XXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-3XXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-4XXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-5XXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-6XXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-7XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-8XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-9XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | WSNG238Z14 | RT | WASHINGTON 238 ZONE 14 | MD | MA |
| 301-912-XXXX | 9212 | VERIZON MARYLAND, INC. | WSNG238Z14 | AS | WASHINGTON 238 ZONE 14 | MD |
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