Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
740-990 9 Delaware OH DLWROHXAYMD  324   2004-04-23   
937-714 A Union City OH RCMDINXB0MD  937      
937-714 9 Union City OH RCMDINXB0MD  937      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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