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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
443-459 0 Elkridge MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-459 1 Elkridge MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-21   
443-459 2 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-02-15   
443-459 3 Elkridge MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2004-09-09   
443-459 4 Elkridge MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-08-13   
443-459 5 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-12-12   
443-459 6 Elkridge MD   6664 SPRINT SPECTRUM L.P. 238   2011-09-19   
443-459 7 Elkridge MD   6664 SPRINT SPECTRUM L.P. 238   2011-11-07   
443-459 8 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-12-12   
443-459 9 Elkridge MD   4773 XO MARYLAND, LLC 238   2005-12-12   
443-460 A Essex MD   4773 XO MARYLAND, LLC 238      
443-460 0 Essex MD   4773 XO MARYLAND, LLC 238      
443-460 1 Essex MD   4773 XO MARYLAND, LLC 238      
443-460 2 Essex MD   4773 XO MARYLAND, LLC 238      
443-460 3 Essex MD   4773 XO MARYLAND, LLC 238      
443-460 4 Essex MD   4773 XO MARYLAND, LLC 238      
443-460 6 Essex MD   4773 XO MARYLAND, LLC 238      
443-460 7 Essex MD   4773 XO MARYLAND, LLC 238      
443-460 8 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2008-03-31   
443-460 9 Essex MD   4773 XO MARYLAND, LLC 238      
443-461 A Parkville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-461 0 Parkville MD   2589 US LEC OF MARYLAND, INC. 238      
443-461 1 Parkville MD   2589 US LEC OF MARYLAND, INC. 238      
443-461 2 Parkville MD   2589 US LEC OF MARYLAND, INC. 238      
443-461 3 Parkville MD   2589 US LEC OF MARYLAND, INC. 238      
443-461 4 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-03-02   
443-461 5 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-03-02   
443-461 6 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-03-02   
443-461 7 Parkville MD   082H LOCAL ACCESS LLC - MD 238   2016-10-14   
443-461 8 Parkville MD   073H TELNYX LLC 238   2017-03-14   
443-461 9 Parkville MD   2589 US LEC OF MARYLAND, INC. 238      
443-462 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-01-15   
443-462 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-01-15   
443-462 1 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-04-02   
443-462 2 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-04-02   
443-462 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2009-04-20   
443-462 4 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2009-04-20   
443-462 5 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2009-04-20   
443-462 6 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-03   
443-462 7 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-03   
443-462 8 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-10-02   
443-462 9 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-10-02   
443-463 A Baltimore MD   6664 SPRINT SPECTRUM L.P. 238      
443-464 A Churchville MD PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2010-05-15   
443-464 0 Churchville MD   876D ONVOY, LLC - MD 238   2015-10-04   
443-464 1 Churchville MD   876D ONVOY, LLC - MD 238   2016-03-25   
443-464 2 Churchville MD   876D ONVOY, LLC - MD 238   2016-03-25   
443-464 3 Churchville MD   530H WIDE VOICE, LLC - MD 238   2016-05-14   
443-464 4 Churchville MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2010-05-15   
443-464 5 Churchville MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2010-05-15   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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