Local Calling Guide

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

NXX: 244

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-244 A Westminster MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-244 0 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-26   
443-244 1 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-08-02   
443-244 2 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-02-28   
443-244 3 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-20   
443-244 4 Westminster MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-244 5 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-11-06   
443-244 6 Westminster MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-10   
443-244 7 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-12-02   
443-244 8 Westminster MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
443-244 9 Westminster MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-14   

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

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