Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
313-880 A Detroit Zone 1 MI 597F VOIP INNOVATIONS, LLC 340      
313-880 1 Detroit Zone 1 MI 597F VOIP INNOVATIONS, LLC 340      

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

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