You are reviewing the Area Code (NPA/NXX) report for 443-478. Did you mean to search the SMS short code 443478?
NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
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443-478-0XXX | 6395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE | AS | 03/12/2009 | BALTIMORE | MD | MA | 05/07/2009 |
443-478-1XXX | 7229 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | BALTIMORE | AS | 12/31/2009 | BALTIMORE | MD | MA | 01/30/2010 |
443-478-2XXX | 4773 | XO MARYLAND, LLC | BALTIMORE | AS | 12/31/2009 | BALTIMORE | MD | MA | 01/30/2010 |
443-478-3XXX | 071F | BANDWIDTH.COM CLEC, LLC - MD | BALTIMORE | AS | 02/02/2010 | BALTIMORE | MD | MA | 03/04/2010 |
443-478-4XXX | 4773 | XO MARYLAND, LLC | BALTIMORE | AS | 02/02/2010 | BALTIMORE | MD | MA | 03/04/2010 |
443-478-5XXX | 4773 | XO MARYLAND, LLC | BALTIMORE | AS | 02/02/2010 | BALTIMORE | MD | MA | 03/04/2010 |
443-478-6XXX | 6395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE | AS | 04/05/2010 | BALTIMORE | MD | MA | 05/03/2010 |
443-478-7XXX | 281E | YMAX COMMUNICATIONS CORP. - MD | BALTIMORE | AS | 09/14/2009 | BALTIMORE | MD | MA | 09/24/2009 |
443-478-8XXX | 281E | YMAX COMMUNICATIONS CORP. - MD | BALTIMORE | AS | 09/14/2009 | BALTIMORE | MD | MA | 09/24/2009 |
443-478-9XXX | 281E | YMAX COMMUNICATIONS CORP. - MD | BALTIMORE | AS | 09/14/2009 | BALTIMORE | MD | MA | 09/24/2009 |
443-478-XXXX | 6395 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | BALTIMORE | AS | 03/06/2009 | BALTIMORE | MD | | |
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