Local Calling Guide

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

NXX: 354

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-354 A Glen Burnie MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-354 0 Glen Burnie MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-354 1 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-06-16   
443-354 2 Glen Burnie MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-06-09   
443-354 3 Glen Burnie MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2013-05-30   
443-354 4 Glen Burnie MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-354 5 Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2009-11-05   
443-354 6 Glen Burnie MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-06-14   
443-354 7 Glen Burnie MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2013-06-14   
443-354 8 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
443-354 9 Glen Burnie MD BLTQMD010MD  082H LOCAL ACCESS LLC - MD 238   2013-09-06   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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