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| Raw Number | 551900 |
| Basic Format | 551-900 |
| NPA (Area Code) | 551 |
| NXX | 900 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 551-900-0XXX | 637C | ONVOY, LLC - NJ | DUMONT | AS | 04/04/2014 | DUMONT | NJ | MA | 05/25/2014 |
| 551-900-1XXX | 118F | BANDWIDTH.COM CLEC, LLC - NJ | DUMONT | AS | 01/23/2015 | DUMONT | NJ | MA | 02/22/2015 |
| 551-900-2XXX | 637C | ONVOY, LLC - NJ | DUMONT | AS | 06/01/2015 | DUMONT | NJ | MA | 06/14/2015 |
| 551-900-3XXX | 118F | BANDWIDTH.COM CLEC, LLC - NJ | DUMONT | AS | 08/06/2015 | DUMONT | NJ | MA | 09/05/2015 |
| 551-900-4XXX | 637C | ONVOY, LLC - NJ | DUMONT | AS | 01/26/2016 | DUMONT | NJ | MA | 02/22/2016 |
| 551-900-5XXX | 637C | ONVOY, LLC - NJ | DUMONT | AS | 01/26/2016 | DUMONT | NJ | MA | 02/22/2016 |
| 551-900-6XXX | 264F | PEERLESS NETWORK OF NEW JERSEY, LLC - NJ | DUMONT | AS | 04/19/2017 | DUMONT | NJ | MA | 05/13/2017 |
| 551-900-7XXX | 073H | TELNYX LLC | DUMONT | AS | 04/24/2017 | DUMONT | NJ | MA | 05/04/2017 |
| 551-900-8XXX | 515J | IP HORIZON LLC | DUMONT | AS | 02/23/2015 | DUMONT | NJ | MA | 03/25/2015 |
| 551-900-9XXX | 515J | IP HORIZON LLC | DUMONT | AS | 03/07/2016 | DUMONT | NJ | MA | 04/06/2016 |
| 551-900-XXXX | 637C | ONVOY, LLC - NJ | DUMONT | AS | DUMONT | NJ |
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