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| Raw Number | 515604 |
| Basic Format | 515-604 |
| NPA (Area Code) | 515 |
| NXX | 604 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 515-604-0XXX | 221F | ONVOY, LLC - IA | HUMBOLDT | AS | 11/15/2012 | HUMBOLDT | IA | WE | 12/14/2012 |
| 515-604-1XXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | RT | HUMBOLDT | IA | WE | ||
| 515-604-2XXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | RT | HUMBOLDT | IA | WE | ||
| 515-604-3XXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | RT | HUMBOLDT | IA | WE | ||
| 515-604-4XXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | RT | HUMBOLDT | IA | WE | ||
| 515-604-5XXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | RT | HUMBOLDT | IA | WE | ||
| 515-604-6XXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | RT | HUMBOLDT | IA | WE | ||
| 515-604-7XXX | 221F | ONVOY, LLC - IA | HUMBOLDT | AS | 01/28/2008 | HUMBOLDT | IA | WE | 02/25/2008 |
| 515-604-8XXX | 9877 | LEVEL 3 COMMUNICATIONS, LLC - IA | HUMBOLDT | AS | 03/08/2010 | HUMBOLDT | IA | WE | 04/01/2010 |
| 515-604-9XXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | RT | HUMBOLDT | IA | WE | ||
| 515-604-XXXX | 842E | COMMUNICATIONS 1 NETWORK, INC. - IA | HUMBOLDT | AS | HUMBOLDT | IA |
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