Local Calling Guide

Area code/prefix search

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Switch: CMBAMIXJRSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-357 A Cambria MI 4417 FRONTIER COMMUNICATIONS OF MICHIGAN, INC. 346      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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