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
443-560 4 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-560 5 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-560 6 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-560 7 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-560 8 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-560 9 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-09-01   
443-561 A Elkridge MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-561 0 Elkridge MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-561 1 Elkridge MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-561 2 Elkridge MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-561 3 Elkridge MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-561 4 Elkridge MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-05-26   
443-561 5 Elkridge MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-15   
443-561 6 Elkridge MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-15   
443-561 7 Elkridge MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-15   
443-561 8 Elkridge MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-03-15   
443-561 9 Elkridge MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-562 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-563 A Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-563 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-07-07   
443-563 1 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-09-25   
443-563 2 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2014-06-12   
443-563 3 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2007-01-14   
443-563 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-02-14   
443-563 5 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2007-01-14   
443-563 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-02-14   
443-563 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-02-14   
443-563 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-02-14   
443-563 9 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2007-01-14   
443-564 A Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-564 0 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-564 1 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-564 2 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-564 3 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-564 4 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-564 5 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-564 6 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-564 7 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-564 8 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-02   
443-564 9 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-09   
443-565 A Randallstown MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-565 0 Randallstown MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-565 1 Randallstown MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-565 2 Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-10-09   
443-565 3 Randallstown MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-565 4 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-28   
443-565 5 Randallstown MD   145J TERRA NOVA TELECOM INC. 238   2021-01-28   
443-565 6 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-28   
443-565 7 Randallstown MD   508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-565 8 Randallstown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-03-24   

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

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