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
443-791 A Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 0 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 1 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 2 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 3 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-16   
443-791 4 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 5 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-13   
443-791 6 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-13   
443-791 7 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-13   
443-791 8 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-06-02   
443-791 9 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-792 A Brooklyn Park-Linthicum MD BRKLMDBKDS0  9212 VERIZON MARYLAND, INC. 238      
443-792 0 Brooklyn Park-Linthicum MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-07   
443-792 1 Brooklyn Park-Linthicum MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2015-03-23   
443-792 2 Brooklyn Park-Linthicum MD BRKLMDBKDS0  9212 VERIZON MARYLAND, INC. 238   2007-11-17   
443-792 3 Brooklyn Park-Linthicum MD BRKLMDBKDS0  9212 VERIZON MARYLAND, INC. 238   2007-11-17   
443-792 4 Brooklyn Park-Linthicum MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-792 5 Brooklyn Park-Linthicum MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2009-04-27   
443-792 6 Brooklyn Park-Linthicum MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2016-01-04   
443-792 7 Brooklyn Park-Linthicum MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-04-03   
443-792 8 Brooklyn Park-Linthicum MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-07   
443-792 9 Brooklyn Park-Linthicum MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-03-21   
443-793 A Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-793 0 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-793 1 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-793 2 Parkville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-793 3 Parkville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-793 4 Parkville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-793 5 Parkville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-793 6 Parkville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2017-05-29   
443-793 7 Parkville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-08-11   
443-793 8 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-10-07   
443-793 9 Parkville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-794 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-795 A Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-795 0 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-795 1 Severn MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-10-31   
443-795 2 Severn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-10-10   
443-795 3 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-795 4 Severn MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2012-07-07   
443-795 5 Severn MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-795 6 Severn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2004-06-25   
443-795 7 Severn MD BLTQMD012MD  964H BARR TELL USA, INC. 238   2016-12-17   
443-795 8 Severn MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-01-06   
443-795 9 Severn MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2018-11-18   
443-796 A Pikesville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-796 0 Pikesville MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-796 1 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-796 2 Pikesville MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
443-796 3 Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-01-08   

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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