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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
443-637 9 Armiger-Gibson Island MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
443-638 A Ellicott City MD BLTMMDDN4MD  2554 GLOBAL NAPS SOUTH, INC. - MD 238      
443-639 A Hampstead MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-639 0 Hampstead MD   073H TELNYX LLC 238   2017-04-26   
443-639 1 Hampstead MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-639 2 Hampstead MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2017-07-07   
443-639 3 Hampstead MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-639 4 Hampstead MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-639 5 Hampstead MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-04-02   
443-639 6 Hampstead MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-13   
443-639 7 Hampstead MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-639 8 Hampstead MD   876D ONVOY, LLC - MD 238   2014-10-21   
443-639 9 Hampstead MD   876D ONVOY, LLC - MD 238   2014-10-21   
443-640 A Bel Air MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-640 0 Bel Air MD   2589 US LEC OF MARYLAND, INC. 238      
443-640 1 Bel Air MD   2589 US LEC OF MARYLAND, INC. 238      
443-640 2 Bel Air MD   2589 US LEC OF MARYLAND, INC. 238      
443-640 3 Bel Air MD   2589 US LEC OF MARYLAND, INC. 238      
443-640 4 Bel Air MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2008-04-30   
443-640 5 Bel Air MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-02-02   
443-640 6 Bel Air MD   420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238   2008-09-08   
443-640 7 Bel Air MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-16   
443-640 8 Bel Air MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-21   
443-641 A Pikesville MD BLTMMDCHXZY  8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-641 0 Pikesville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-641 1 Pikesville MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-641 2 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2004-10-10   
443-641 3 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-08-05   
443-641 4 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-08-05   
443-641 5 Pikesville MD   9212 VERIZON MARYLAND, INC. 238   2004-10-10   
443-641 6 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-641 7 Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-641 8 Pikesville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-641 9 Pikesville MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-642 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-01-06   
443-642 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-01-06   
443-642 1 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-11   
443-642 2 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2007-01-08   
443-642 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2007-01-08   
443-642 4 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2007-01-08   
443-642 5 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2007-01-08   
443-642 6 Baltimore MD   9212 VERIZON MARYLAND, INC. 238   2007-01-08   
443-642 7 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-24   
443-642 8 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-24   
443-642 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-24   
443-643 A Bel Air MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
443-643 0 Bel Air MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-643 1 Bel Air MD   9212 VERIZON MARYLAND, INC. 238      
443-643 2 Bel Air MD   9212 VERIZON MARYLAND, INC. 238      
443-643 3 Bel Air MD   9212 VERIZON MARYLAND, INC. 238      

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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