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| Raw Number | 475257 |
| Basic Format | 475-257 |
| NPA (Area Code) | 475 |
| NXX | 257 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 475-257-0XXX | 425J | CSC WIRELESS, LLC | NORWALK | AS | 05/07/2019 | NORWALK | CT | NE | 06/06/2019 |
| 475-257-1XXX | 425J | CSC WIRELESS, LLC | NORWALK | AS | 05/07/2019 | NORWALK | CT | NE | 06/06/2019 |
| 475-257-2XXX | 425J | CSC WIRELESS, LLC | NORWALK | AS | 03/29/2019 | NORWALK | CT | NE | 05/12/2019 |
| 475-257-3XXX | 539F | PEERLESS NETWORK OF CONNECTICUT, LLC - CT | NORWALK | AS | 07/31/2019 | NORWALK | CT | NE | 08/30/2019 |
| 475-257-4XXX | 6388 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | NORWALK | AS | 09/13/2019 | NORWALK | CT | NE | 09/25/2019 |
| 475-257-5XXX | 6388 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | NORWALK | AS | 09/13/2019 | NORWALK | CT | NE | 09/25/2019 |
| 475-257-6XXX | 199F | BANDWIDTH.COM CLEC, LLC - CT | NORWALK | AS | 07/09/2019 | NORWALK | CT | NE | 08/08/2019 |
| 475-257-7XXX | 425J | CSC WIRELESS, LLC | NORWALK | AS | 05/07/2019 | NORWALK | CT | NE | 06/06/2019 |
| 475-257-8XXX | 425J | CSC WIRELESS, LLC | NORWALK | AS | 05/07/2019 | NORWALK | CT | NE | 06/06/2019 |
| 475-257-9XXX | 425J | CSC WIRELESS, LLC | NORWALK | AS | 05/07/2019 | NORWALK | CT | NE | 06/06/2019 |
| 475-257-XXXX | 425J | CSC WIRELESS, LLC | NORWALK | AS | 03/28/2019 | NORWALK | CT |
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