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| Raw Number | 509778 |
| Basic Format | 509-778 |
| NPA (Area Code) | 509 |
| NXX | 778 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 509-778-0XXX | 5812 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | PROSSER | AS | 10/20/2021 | PROSSER | WA | WE | 11/01/2021 |
| 509-778-1XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | PROSSER | AS | 02/19/2004 | PROSSER | WA | WE | 03/15/2004 |
| 509-778-2XXX | 5812 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | PROSSER | AS | 01/15/2008 | PROSSER | WA | WE | 02/10/2008 |
| 509-778-3XXX | 5812 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | PROSSER | AS | 07/21/2009 | PROSSER | WA | WE | 07/31/2009 |
| 509-778-4XXX | 6121 | LEVEL 3 COMMUNICATIONS, LLC - WA | PROSSER | AS | 06/07/2004 | PROSSER | WA | WE | 07/06/2004 |
| 509-778-5XXX | 483E | ONVOY, LLC - WA | PROSSER | AS | 10/18/2021 | PROSSER | WA | WE | 11/13/2021 |
| 509-778-6XXX | 483E | ONVOY, LLC - WA | PROSSER | AS | 12/17/2020 | PROSSER | WA | WE | 12/29/2020 |
| 509-778-7XXX | 483E | ONVOY, LLC - WA | PROSSER | AS | 12/17/2020 | PROSSER | WA | WE | 12/29/2020 |
| 509-778-8XXX | 6529 | T-MOBILE USA, INC. | PROSSER | AS | 01/30/2021 | PROSSER | WA | WE | 02/28/2021 |
| 509-778-9XXX | 6121 | LEVEL 3 COMMUNICATIONS, LLC - WA | PROSSER | AS | 02/22/2013 | PROSSER | WA | WE | 03/23/2013 |
| 509-778-XXXX | 6121 | LEVEL 3 COMMUNICATIONS, LLC - WA | PROSSER | AS | 06/12/2002 | PROSSER | WA |
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