Local Calling Guide

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

NXX: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-594 A Sparrows Point MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-594 0 Sparrows Point MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-594 1 Sparrows Point MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-594 2 Sparrows Point MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-10   
443-594 3 Sparrows Point MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-594 4 Sparrows Point MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-594 5 Sparrows Point MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-594 6 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-08   
443-594 7 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-24   
443-594 8 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-24   
443-594 9 Sparrows Point MD BLTMMDCHLMD  082H LOCAL ACCESS LLC - MD 238   2016-10-14   

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

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