You are reviewing the Area Code (NPA/NXX) report for 510-257. Did you mean to search the SMS short code 510257?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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510-257-0XXX | 7145 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | FRNK OLIVR | RT | | FREMONT-NEWARK:OLIVER DA | CA | WC | |
510-257-1XXX | 649C | ONVOY, LLC - CA | FRNK OLIVR | AS | 04/10/2007 | FREMONT-NEWARK:OLIVER DA | CA | WC | 09/07/2007 |
510-257-2XXX | 515J | IP HORIZON LLC | FRNK OLIVR | AS | 09/19/2003 | FREMONT-NEWARK:OLIVER DA | CA | WC | 10/12/2003 |
510-257-3XXX | 515J | IP HORIZON LLC | FRNK OLIVR | AS | 09/19/2003 | FREMONT-NEWARK:OLIVER DA | CA | WC | 10/12/2003 |
510-257-4XXX | 8826 | LEVEL 3 COMMUNICATIONS, LLC - CA | FRNK OLIVR | AS | 11/03/2004 | FREMONT-NEWARK:OLIVER DA | CA | WC | 11/29/2004 |
510-257-5XXX | 7262 | XO CALIFORNIA, INC. | FRNK OLIVR | AS | 08/18/2005 | FREMONT-NEWARK:OLIVER DA | CA | WC | 09/15/2005 |
510-257-6XXX | 7262 | XO CALIFORNIA, INC. | FRNK OLIVR | AS | 08/18/2005 | FREMONT-NEWARK:OLIVER DA | CA | WC | 09/15/2005 |
510-257-7XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK OLIVR | AS | 08/18/2005 | FREMONT-NEWARK:OLIVER DA | CA | WC | 09/15/2005 |
510-257-8XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | FRNK OLIVR | AS | 08/18/2005 | FREMONT-NEWARK:OLIVER DA | CA | WC | 09/15/2005 |
510-257-9XXX | 649C | ONVOY, LLC - CA | FRNK OLIVR | AS | 09/11/2014 | FREMONT-NEWARK:OLIVER DA | CA | WC | 09/25/2014 |
510-257-XXXX | 7145 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | FRNK OLIVR | AS | | FREMONT-NEWARK:OLIVER DA | CA | | |
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