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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-458 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-12   
443-458 3 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-12   
443-458 4 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-458 5 Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-08-13   
443-458 6 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-458 7 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-458 8 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-07-02   
443-458 9 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-459 A Elkridge MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-459 0 Elkridge MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-459 1 Elkridge MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-21   
443-459 2 Elkridge MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-02-15   
443-459 3 Elkridge MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2004-09-09   
443-459 4 Elkridge MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-08-13   
443-459 5 Elkridge MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2005-12-12   
443-459 6 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-09-19   
443-459 7 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-11-07   
443-459 8 Elkridge MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-12-12   
443-459 9 Elkridge MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-12-12   
443-460 A Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 0 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 1 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 2 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 3 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 4 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 5 Essex MD   145J TERRA NOVA TELECOM INC. 238   2021-01-27   
443-460 6 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 7 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-460 8 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-03-31   
443-460 9 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-461 A Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 0 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 1 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 2 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 3 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-461 4 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-03-02   
443-461 5 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-03-02   
443-461 6 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-03-02   
443-461 7 Parkville MD   515J IP HORIZON LLC 238   2016-10-14   
443-461 8 Parkville MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
443-461 9 Parkville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-462 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-462 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-01-15   
443-462 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-04-02   
443-462 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-04-02   
443-462 3 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238   2009-04-20   
443-462 4 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238   2009-04-20   
443-462 5 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238   2009-04-20   
443-462 6 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-03   
443-462 7 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-03   

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Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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