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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-244 A Westminster MD BLTMMDSNRS0  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-244 0 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-02-26   
443-244 1 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-08-02   
443-244 2 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-02-28   
443-244 3 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-20   
443-244 4 Westminster MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-244 5 Westminster MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-11-06   
443-244 6 Westminster MD   876D ONVOY, LLC - MD 238   2016-03-10   
443-244 7 Westminster MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-12-02   
443-244 8 Westminster MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
443-244 9 Westminster MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-14   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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