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.

Mackinac Island, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
906-234 A MRQTMIAQDS0  4632 TELNET WORLDWIDE, INC. 342      
906-422 A MRQTMIMNPMD  508J CENTURYLINK COMMUNICATIONS, LLC 342      
906-422 0 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-422 1   624H ONVOY SPECTRUM, LLC 342      
906-422 3 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-422 4 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-422 5 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-422 6 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-422 7 MRQTMIMNPMD  508J CENTURYLINK COMMUNICATIONS, LLC 342      
906-422 8 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-422 9 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-847 A MCISMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-847 0 MCISMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-847 1 MRQTMIMNCMD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-847 2 PRKNMIATQMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342      
906-847 3 MCISMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-847 4 BRLDMIMNBMD  516C AT&T CORP. 342      
906-847 5 MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342      
906-847 6 MCISMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-847 7 IRMTMIMNPMD  2550 123.NET, LLC 342      
906-847 8 MCISMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-847 9 MCISMIMNRSA  9323 MICHIGAN BELL TEL CO 342      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.