Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Hart, MI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
231-923 7 GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2013-08-06   
231-923 8 GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2011-10-12   
231-923 9 GDRPMIBLXDZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2006-06-17   

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

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