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| Raw Number | 240557 |
| Basic Format | 240-557 |
| NPA (Area Code) | 240 |
| NXX | 557 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 240-557-0XXX | 073H | TELNYX LLC | WSHNGTNZN6 | AS | 04/11/2017 | WASHINGTON ZONE 06 | MD | MA | 05/12/2017 |
| 240-557-1XXX | 876D | ONVOY, LLC - MD | WSHNGTNZN6 | AS | 06/30/2017 | WASHINGTON ZONE 06 | MD | MA | 07/13/2017 |
| 240-557-2XXX | 876D | ONVOY, LLC - MD | WSHNGTNZN6 | AS | 12/15/2017 | WASHINGTON ZONE 06 | MD | MA | 01/14/2018 |
| 240-557-3XXX | 876D | ONVOY, LLC - MD | WSHNGTNZN6 | AS | 12/15/2017 | WASHINGTON ZONE 06 | MD | MA | 01/14/2018 |
| 240-557-4XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | WSHNGTNZN6 | AS | 05/23/2018 | WASHINGTON ZONE 06 | MD | MA | 06/16/2018 |
| 240-557-5XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | WSHNGTNZN6 | AS | 05/23/2018 | WASHINGTON ZONE 06 | MD | MA | 06/16/2018 |
| 240-557-6XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | WSHNGTNZN6 | AS | 05/23/2018 | WASHINGTON ZONE 06 | MD | MA | 06/16/2018 |
| 240-557-7XXX | 964H | BARR TELL USA, INC. | WSHNGTNZN6 | AS | 04/26/2018 | WASHINGTON ZONE 06 | MD | MA | 05/08/2018 |
| 240-557-8XXX | 876D | ONVOY, LLC - MD | WSHNGTNZN6 | AS | 03/31/2020 | WASHINGTON ZONE 06 | MD | MA | 04/30/2020 |
| 240-557-9XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN6 | AS | 03/16/2017 | WASHINGTON ZONE 06 | MD | MA | 05/11/2017 |
| 240-557-XXXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSHNGTNZN6 | AS | 03/14/2017 | WASHINGTON ZONE 06 | MD |
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