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| Raw Number | 240581 |
| Basic Format | 240-581 |
| NPA (Area Code) | 240 |
| NXX | 581 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 240-581-0XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | LAUREL236 | AS | 11/04/2005 | LAUREL 236 | MD | MA | 12/03/2005 |
| 240-581-1XXX | 829J | PAETEC ITEL, LLC | LAUREL236 | RT | LAUREL 236 | MD | MA | ||
| 240-581-2XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | LAUREL236 | AS | 01/08/2008 | LAUREL 236 | MD | MA | 02/04/2008 |
| 240-581-3XXX | 6395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | LAUREL236 | AS | 06/03/2008 | LAUREL 236 | MD | MA | 07/03/2008 |
| 240-581-4XXX | 6395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | LAUREL236 | AS | 07/03/2008 | LAUREL 236 | MD | MA | 08/01/2008 |
| 240-581-5XXX | 829J | PAETEC ITEL, LLC | LAUREL236 | AS | 06/02/2009 | LAUREL 236 | MD | MA | 06/12/2009 |
| 240-581-6XXX | 9212 | VERIZON MARYLAND, INC. | LAUREL236 | AS | 06/23/2008 | LAUREL 236 | MD | MA | 07/21/2008 |
| 240-581-7XXX | 9212 | VERIZON MARYLAND, INC. | LAUREL236 | AS | 06/23/2008 | LAUREL 236 | MD | MA | 07/21/2008 |
| 240-581-8XXX | 6119 | LEVEL 3 COMMUNICATIONS, LLC - MD | LAUREL236 | AS | 08/03/2009 | LAUREL 236 | MD | MA | 08/13/2009 |
| 240-581-9XXX | 829J | PAETEC ITEL, LLC | LAUREL236 | RT | LAUREL 236 | MD | MA | ||
| 240-581-XXXX | 829J | PAETEC ITEL, LLC | LAUREL236 | AS | LAUREL 236 | MD |
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