Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Marenisco, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
906-392 A NGNEMIAM4MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-392 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-392 1   116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-598 A MRQTMIACCM0  6695 RANGE TELECOMMUNICATIONS 342      
906-787 A MRNSMIXIDS1  0732 UPPER PENINSULA TELEPHONE CO. 342      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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