Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 681

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-681 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-681 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-08-07   
443-681 1 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-12-06   
443-681 2 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-12-06   
443-681 3 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-12-06   
443-681 4 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-12-06   
443-681 5 Baltimore MD BLTMMDSNDS5  4773 XO MARYLAND, LLC 238   2010-12-06   
443-681 6 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-04-04   
443-681 7 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-04-04   
443-681 8 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-03   
443-681 9 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   

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

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