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: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-657 A Parkville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-657 0 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-05-06   
410-657 1 Parkville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2018-05-10   
410-657 2 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
410-657 3 Parkville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-657 4 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-657 5 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
410-657 6 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   
410-657 7 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2013-09-12   
410-657 8 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
410-657 9 Parkville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

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

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