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: 775

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-775 A Union Bridge MD UNBRMDUBRS0  9212 VERIZON MARYLAND, INC. 238      
410-775 0 Union Bridge MD UNBRMDUBRS0  9212 VERIZON MARYLAND, INC. 238      
410-775 1 Union Bridge MD UNBRMDUBRS0  9212 VERIZON MARYLAND, INC. 238      
410-775 2 Union Bridge MD UNBRMDUBRS0  9212 VERIZON MARYLAND, INC. 238      
410-775 3 Union Bridge MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-05   
410-775 4 Union Bridge MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2013-02-02   
410-775 5 Union Bridge MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-05   
410-775 6 Union Bridge MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-775 7 Union Bridge MD UNBRMDUBRS0  9212 VERIZON MARYLAND, INC. 238      
410-775 8 Union Bridge MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-02-22   
410-775 9 Union Bridge MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-28   

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

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