Local Calling Guide

Area code/prefix search

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Switch: BRSPMI098MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-317 A Grand Rapids MI 321J HD CARRIER LLC 348      
616-317 9 Grand Rapids MI 321J HD CARRIER LLC 348   2020-11-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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