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      
443-681 1 Baltimore MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-681 2 Baltimore MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-681 3 Baltimore MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-681 4 Baltimore MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-681 5 Baltimore MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-681 6 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-681 7 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-681 8 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-681 9 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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