You are reviewing the Area Code (NPA/NXX) report for 510-856. Did you mean to search the SMS short code 510856?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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510-856-0XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | RT | | HAYWARD | CA | WC | |
510-856-1XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | RT | | HAYWARD | CA | WC | |
510-856-2XXX | 8690 | GLOBAL CROSSING LOCAL SERVICES, INC. - CA | HAYWARD | AS | 12/11/2006 | HAYWARD | CA | WC | 01/06/2007 |
510-856-3XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | RT | | HAYWARD | CA | WC | |
510-856-4XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | RT | | HAYWARD | CA | WC | |
510-856-5XXX | 8826 | LEVEL 3 COMMUNICATIONS, LLC - CA | HAYWARD | AS | 02/28/2006 | HAYWARD | CA | WC | 03/25/2006 |
510-856-6XXX | 6006 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | AS | 09/23/2005 | HAYWARD | CA | WC | 10/21/2005 |
510-856-7XXX | 6006 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | AS | 09/23/2005 | HAYWARD | CA | WC | 10/21/2005 |
510-856-8XXX | 6006 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | HAYWARD | AS | 09/23/2005 | HAYWARD | CA | WC | 10/21/2005 |
510-856-9XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | RT | | HAYWARD | CA | WC | |
510-856-XXXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | HAYWARD | AS | | HAYWARD | CA | | |
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