Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 246

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-246 A Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 0 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 1 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 2 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 3 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 4 Baltimore MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2010-08-09   
410-246 5 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 6 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 7 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 8 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-246 9 Baltimore MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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