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| Raw Number | 617674 |
| Basic Format | 617-674 |
| NPA (Area Code) | 617 |
| NXX | 674 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 617-674-0XXX | 4018 | LEVEL 3 COMMUNICATIONS, LLC - MA | CAMBRIDGE | AS | 02/04/2008 | MA | NE | 02/14/2008 |
| 617-674-1XXX | 4018 | LEVEL 3 COMMUNICATIONS, LLC - MA | CAMBRIDGE | AS | 02/04/2008 | MA | NE | 02/14/2008 |
| 617-674-2XXX | 4018 | LEVEL 3 COMMUNICATIONS, LLC - MA | CAMBRIDGE | AS | 06/09/2004 | MA | NE | 07/04/2004 |
| 617-674-3XXX | 4018 | LEVEL 3 COMMUNICATIONS, LLC - MA | CAMBRIDGE | AS | 07/11/2006 | MA | NE | 08/05/2006 |
| 617-674-4XXX | 316E | YMAX COMMUNICATIONS CORP. - MA | CAMBRIDGE | AS | 02/04/2009 | MA | NE | 02/17/2009 |
| 617-674-5XXX | 671J | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | CAMBRIDGE | AS | 03/03/2005 | MA | NE | 04/10/2005 |
| 617-674-6XXX | 4018 | LEVEL 3 COMMUNICATIONS, LLC - MA | CAMBRIDGE | AS | 05/10/2006 | MA | NE | 06/05/2006 |
| 617-674-7XXX | 4018 | LEVEL 3 COMMUNICATIONS, LLC - MA | CAMBRIDGE | AS | 05/10/2006 | MA | NE | 06/05/2006 |
| 617-674-8XXX | 829J | PAETEC ITEL, LLC | CAMBRIDGE | AS | 09/12/2006 | MA | NE | 09/22/2006 |
| 617-674-9XXX | 671J | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | CAMBRIDGE | RT | MA | NE | ||
| 617-674-XXXX | 671J | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | CAMBRIDGE | AS | MA |
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