You are reviewing the Area Code (NPA/NXX) report for 203-604. Did you mean to search the SMS short code 203604?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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203-604-0XXX | 4800 | LEVEL 3 COMMUNICATIONS, LLC - CT | NORWALK | AS | 02/14/2005 | NORWALK | CT | NE | 03/12/2005 |
203-604-1XXX | 3722 | CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT | NORWALK | AS | 11/12/2003 | NORWALK | CT | NE | 12/06/2003 |
203-604-2XXX | 4800 | LEVEL 3 COMMUNICATIONS, LLC - CT | NORWALK | AS | 08/16/2004 | NORWALK | CT | NE | 09/11/2004 |
203-604-3XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | NORWALK | AS | 04/17/2014 | NORWALK | CT | NE | 05/17/2014 |
203-604-4XXX | 6388 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | NORWALK | AS | 06/04/2010 | NORWALK | CT | NE | 06/16/2010 |
203-604-5XXX | 6388 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | NORWALK | AS | 01/05/2011 | NORWALK | CT | NE | 02/03/2011 |
203-604-6XXX | 4800 | LEVEL 3 COMMUNICATIONS, LLC - CT | NORWALK | AS | 10/05/2005 | NORWALK | CT | NE | 11/03/2005 |
203-604-7XXX | 6388 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | NORWALK | AS | 08/08/2011 | NORWALK | CT | NE | 08/18/2011 |
203-604-8XXX | 4800 | LEVEL 3 COMMUNICATIONS, LLC - CT | NORWALK | AS | 06/14/2002 | NORWALK | CT | NE | 07/16/2002 |
203-604-9XXX | 4800 | LEVEL 3 COMMUNICATIONS, LLC - CT | NORWALK | AS | 05/10/2005 | NORWALK | CT | NE | 06/04/2005 |
203-604-XXXX | 4800 | LEVEL 3 COMMUNICATIONS, LLC - CT | NORWALK | AS | 03/14/2001 | NORWALK | CT | | |
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