Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 693

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-693 A Perryville MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-693 0 Perryville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-11-19   
443-693 1 Perryville MD   2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-693 2 Perryville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-01   
443-693 3 Perryville MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-05-02   
443-693 4 Perryville MD   7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238   2008-05-05   
443-693 5 Perryville MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
443-693 7 Perryville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
443-693 8 Perryville MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238   2006-04-07   
443-693 9 Perryville MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

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