Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7316 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
203-347 3 Byram CT NYCMNY83DS0  132   2008-10-15   
203-769 7 Greenwich CT NYCMNY83DS0  132   2014-09-30   
203-930 7 Greenwich CT NYCMNY83DS0  132   2008-10-15   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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