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
443-405 7 Randallstown MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2011-12-10   
443-405 8 Randallstown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-405 9 Randallstown MD   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   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-10   
443-406 1 Elkton MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2002-06-24   
443-406 2 Elkton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
443-406 3 Elkton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-11-18   
443-406 4 Elkton MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-11-05   
443-406 5 Elkton MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-10   
443-406 6 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-406 7 Elkton MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2007-02-27   
443-406 8 Elkton MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-25   
443-406 9 Elkton MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-407 A Dundalk MD   4773 XO MARYLAND, LLC 238      
443-407 0 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-407 1 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-407 2 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-407 3 Dundalk MD   8864 BROADWING COMMUNICATIONS. LLC - MD 238   2002-10-16   
443-407 4 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-407 5 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-407 6 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-407 7 Dundalk MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-16   
443-407 8 Dundalk MD   876D ONVOY, LLC - MD 238   2016-03-31   
443-407 9 Dundalk MD   4773 XO MARYLAND, LLC 238      
443-408 A Sparrows Point MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238      
443-408 0 Sparrows Point MD   4773 XO MARYLAND, LLC 238      
443-408 1 Sparrows Point MD   4773 XO MARYLAND, LLC 238      
443-408 3 Sparrows Point MD   4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 4 Sparrows Point MD   4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 5 Sparrows Point MD   4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 6 Sparrows Point MD   4773 XO MARYLAND, LLC 238   2005-10-13   
443-408 7 Sparrows Point MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-06-25   
443-408 8 Sparrows Point MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-408 9 Sparrows Point MD   4773 XO MARYLAND, LLC 238      
443-409 A Edgewood MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-409 0 Edgewood MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-409 1 Edgewood MD   5562 METRO PCS, INC. 238   2013-06-14   
443-409 2 Edgewood MD   5562 METRO PCS, INC. 238   2013-06-14   
443-409 3 Edgewood MD   7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2008-10-01   
443-409 4 Edgewood MD   5562 METRO PCS, INC. 238   2014-09-12   
443-409 5 Edgewood MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-04   
443-409 6 Edgewood MD   5562 METRO PCS, INC. 238   2014-10-03   
443-409 7 Edgewood MD   5562 METRO PCS, INC. 238   2014-11-05   
443-409 8 Edgewood MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-409 9 Edgewood MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-410 A Glen Burnie MD   7575 CENTURYLINK COMMUNICATIONS LLC 238      
443-410 0 Glen Burnie MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2014-05-25   
443-410 1 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-05-30   
443-410 2 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-05-30   

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

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