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
443-481 4 Annapolis MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-481 5 Annapolis MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-481 6 Annapolis MD CLMAMDJTDS0  2589 US LEC OF MARYLAND, INC. 238      
443-481 7 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-12   
443-481 8 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-12   
443-481 9 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-07-06   
443-482 A Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 0 Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 1 Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 2 Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 3 Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 4 Annapolis MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2011-08-19   
443-482 5 Annapolis MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2006-11-03   
443-482 6 Annapolis MD BLTMMDSN5MD  4773 XO MARYLAND, LLC 238   2006-11-03   
443-482 7 Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 8 Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 9 Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-483 A Cardiff MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-483 0 Cardiff MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-483 1 Cardiff MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-483 2 Cardiff MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-483 3 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-483 4 Cardiff MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
443-483 5 Cardiff MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-483 6 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-483 7 Cardiff MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-03-07   
443-483 8 Cardiff MD   145J TERRA NOVA TELECOM INC. 238   2021-01-27   
443-483 9 Cardiff MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-484 A Edgewood MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-484 0 Edgewood MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-484 1 Edgewood MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
443-484 2 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2007-12-05   
443-484 3 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2014-12-24   
443-484 4 Edgewood MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-484 5 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2014-12-22   
443-484 6 Edgewood MD BLTMMDCHFMD  5562 METRO PCS, INC. 238   2015-12-27   
443-484 7 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2014-10-24   
443-484 8 Edgewood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-05-29   
443-484 9 Edgewood MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-485 A Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-485 0 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-485 1 Elkton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-27   
443-485 2 Elkton MD BLTMMDCHDS7  7421 AT&T LOCAL 238   2006-08-21   
443-485 3 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-485 4 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-485 5 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-05-16   
443-485 6 Elkton MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2007-10-29   
443-485 7 Elkton MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-02-10   
443-485 8 Elkton MD BLTMMDCHXHY  6664 SPRINT SPECTRUM L.P. 238   2011-02-26   
443-485 9 Elkton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      

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

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