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
443-403 1 Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 2 Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 3 Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
443-403 4 Aberdeen MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 236   2010-10-20   
443-403 5 Aberdeen MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 236   2010-10-20   
443-403 6 Aberdeen MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 236   2010-10-20   
443-403 7 Aberdeen MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 236   2010-10-20   
443-403 8 Aberdeen MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236   2013-08-18   
443-403 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-01-25   
443-404 A Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-404 0 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2007-03-19   
443-404 1 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-404 2 Solomons MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-404 3 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2007-03-19   
443-404 4 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2007-03-19   
443-404 5 Solomons MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2005-03-10   
443-404 6 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2006-07-26   
443-404 7 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2004-07-30   
443-404 8 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2003-11-30   
443-404 9 Solomons MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238      
443-405 A Randallstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-405 0 Randallstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-405 1 Randallstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-405 2 Randallstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-03   
443-405 3 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-09-27   
443-405 4 Randallstown MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 238      
443-405 6 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2018-11-29   
443-405 7 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2011-12-10   
443-405 8 Randallstown MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-405 9 Randallstown MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-406 A Elkton MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-406 0 Elkton MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-10   
443-406 1 Elkton MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238   2002-06-24   
443-406 2 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
443-406 3 Elkton MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2015-11-18   
443-406 4 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-11-05   
443-406 5 Elkton MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-10   
443-406 6 Elkton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-406 7 Elkton MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2007-02-27   
443-406 8 Elkton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-406 9 Elkton MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-407 A Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-407 0 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-407 1 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-407 2 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-407 3 Dundalk MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2002-10-16   
443-407 4 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-407 5 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-407 6 Dundalk MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-407 7 Dundalk MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-16   

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

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