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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
443-600 5 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2006-01-21   
443-600 6 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
443-600 7 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2006-03-30   
443-600 8 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2006-05-06   
443-600 9 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238      
443-601 A Fallston MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-601 0 Fallston MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-601 1 Fallston MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-601 2 Fallston MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-601 3 Fallston MD   876D ONVOY, LLC - MD 238   2016-03-23   
443-601 4 Fallston MD   876D ONVOY, LLC - MD 238   2016-03-23   
443-601 5 Fallston MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-08-07   
443-601 6 Fallston MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-601 7 Fallston MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-601 8 Fallston MD   073H TELNYX LLC 238   2017-04-25   
443-601 9 Fallston MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-04-26   
443-602 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-04-08   
443-602 0 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-04-08   
443-602 1 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-07-02   
443-602 2 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-07-02   
443-602 3 Baltimore MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2007-05-01   
443-602 4 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-07-02   
443-602 5 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-02   
443-602 6 Baltimore MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-02   
443-602 7 Baltimore MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2008-06-09   
443-602 8 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-09-11   
443-602 9 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-12-04   
443-603 A Annapolis MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-603 0 Annapolis MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-603 1 Annapolis MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-603 2 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-05-01   
443-603 3 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-05-01   
443-603 4 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 5 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 6 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 7 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 8 Annapolis MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
443-603 9 Annapolis MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-604 A Baltimore MD CTVLMDBACM3  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-605 A Westminster MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-605 0 Westminster MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-605 1 Westminster MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-605 2 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-07-02   
443-605 3 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-02-03   
443-605 4 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-605 5 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-05-02   
443-605 6 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-05-02   
443-605 7 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
443-605 8 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-04   
443-605 9 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-04   

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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