Local Calling Guide

Area code/prefix search

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

NXX: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-377 A Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-377 0 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-06   
443-377 1 Towson MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-377 2 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-377 3 Towson MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-02   
443-377 4 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-377 5 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-377 6 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-377 7 Towson MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-03-25   
443-377 8 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-02   
443-377 9 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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