Local Calling Guide

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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
443-591 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 4 Elkridge MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2019-12-28   
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. DBA T-MOBILE USA 238   2014-02-09   
443-593 9 Elkton MD   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P. DBA T-MOBILE USA 238   2014-02-09   
443-594 A Sparrows Point MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-594 0 Sparrows Point MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-594 1 Sparrows Point MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-594 2 Sparrows Point MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-10   
443-594 3 Sparrows Point MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-594 4 Sparrows Point MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-594 5 Sparrows Point MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-594 6 Sparrows Point MD   876D ONVOY, LLC - MD 238   2012-10-08   
443-594 7 Sparrows Point MD   876D ONVOY, LLC - MD 238   2016-03-24   
443-594 8 Sparrows Point MD   876D ONVOY, LLC - MD 238   2016-03-24   
443-594 9 Sparrows Point MD   082H LOCAL ACCESS LLC - MD 238   2016-10-14   
443-595 A Sparks-Glencoe MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-595 0 Sparks-Glencoe MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-595 1 Sparks-Glencoe MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-595 2 Sparks-Glencoe MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-06-16   
443-595 3 Sparks-Glencoe MD   2697 CTC COMMUNICATIONS CORP. - MD 238   2006-07-01   
443-595 4 Sparks-Glencoe MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-595 5 Sparks-Glencoe MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-595 6 Sparks-Glencoe MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-18   
443-595 7 Sparks-Glencoe MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-595 8 Sparks-Glencoe MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2012-05-26   
443-595 9 Sparks-Glencoe MD   876D ONVOY, LLC - MD 238   2012-10-08   

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

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