Local Calling Guide

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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 794

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-794 A Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 0 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 1 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 2 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 3 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 4 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 5 Columbia MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   
410-794 6 Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-01   
410-794 7 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 8 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-794 9 Columbia MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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