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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
443-588 8 Parkville MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-04-13   
443-588 9 Parkville MD   4773 XO MARYLAND, LLC 238      
443-589 A Cockeysville MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-589 0 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 1 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 2 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 3 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 4 Cockeysville MD   5562 METRO PCS, INC. 238   2013-06-14   
443-589 5 Cockeysville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-10-19   
443-589 6 Cockeysville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-19   
443-589 7 Cockeysville MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-589 8 Cockeysville MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-589 9 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-590 A Reisterstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 0 Reisterstown MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 1 Reisterstown MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 3 Reisterstown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-01-02   
443-590 4 Reisterstown MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-590 5 Reisterstown MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-590 6 Reisterstown MD   5562 METRO PCS, INC. 238   2016-12-14   
443-590 7 Reisterstown MD   876D ONVOY, LLC - MD 238   2016-03-21   
443-590 8 Reisterstown MD   964H BARR TELL USA, INC. 238   2016-12-17   
443-590 9 Reisterstown MD   876D ONVOY, LLC - MD 238   2016-03-21   
443-591 A Glen Burnie MD WDLWMDEMCM2  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-06   
443-591 0 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-07-06   
443-591 1 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-09-03   
443-591 2 Glen Burnie MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-01-13   
443-591 3 Glen Burnie MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-01-13   
443-591 4 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-02-16   
443-591 5 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-03-16   
443-591 6 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-03   
443-591 7 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-14   
443-591 8 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-14   
443-591 9 Glen Burnie MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-14   
443-592 A Elkridge MD   2593 CORE COMMUNICATIONS, INC. - MD 238      
443-592 3 Elkridge MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2017-04-18   
443-592 5 Elkridge MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-592 6 Elkridge MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-592 7 Elkridge MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-592 8 Elkridge MD   082H LOCAL ACCESS LLC - MD 238   2019-04-26   
443-593 A Elkton MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-593 0 Elkton MD   082H LOCAL ACCESS LLC - MD 238   2016-01-04   
443-593 1 Elkton MD   2697 CTC COMMUNICATIONS CORP. - MD 238      
443-593 2 Elkton MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-03-01   
443-593 3 Elkton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2014-09-21   
443-593 4 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-23   
443-593 5 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-23   
443-593 6 Elkton MD   082H LOCAL ACCESS LLC - MD 238   2015-03-23   
443-593 7 Elkton MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-593 8 Elkton MD   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P. 238   2014-02-09   

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

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