Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-272 A Randallstown MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-272 0 Randallstown MD BLTMMD91DS1  2593 CORE COMMUNICATIONS, INC.- MD 238   2004-04-02   
443-272 1 Randallstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-11-29   
443-272 2 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2014-08-11   
443-272 3 Randallstown MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-272 4 Randallstown MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-272 5 Randallstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
443-272 6 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2013-10-04   
443-272 7 Randallstown MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2008-04-08   
443-272 8 Randallstown MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2015-03-23   
443-272 9 Randallstown MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 238   2019-04-19   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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