Local Calling Guide

Area code/prefix search

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Switch: CNCRMIXJDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-524 A Concord MI 4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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