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| Raw Number | 512544 |
| Basic Format | 512-544 |
| NPA (Area Code) | 512 |
| NXX | 544 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 512-544-0XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-1XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-2XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-3XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-4XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-5XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-6XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-7XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-8XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-9XXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/03/2005 | AUSTIN | TX | SW | 04/25/2005 |
| 512-544-XXXX | 7516 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | AUSTIN | AS | 03/01/2005 | AUSTIN | TX |
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