Local Calling Guide

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Baltimore, OH

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
740-862 1 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 2 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 3 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 4 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 5 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 6 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 7 CLMBOH11X6Z  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2004-09-20   
740-862 8 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 9 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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