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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Bruce Crossing, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
906-279 A MRQTMIACCM0  6695 RANGE TELECOMMUNICATIONS 342      
906-391 A NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-391 0 NGNEMIAM6MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-391 7 MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-391 8 NGNEMIAM7MD  792K CHARTER IP ENABLED SERVICES, LLC 342   2020-09-24   
906-827 A BRCRMIXJRS1  0717 ONTONAGON COUNTY TEL. CO. 342      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.