Local Calling Guide

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

NXX: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-821 A Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-821 0 Westminster MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-821 1 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-11   
443-821 2 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-27   
443-821 3 Westminster MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2010-12-10   
443-821 4 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-821 5 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-821 6 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-09-27   
443-821 7 Westminster MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-821 8 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-09-06   
443-821 9 Westminster MD   5562 METROPCS, INC. 238   2010-09-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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