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.

Keweenaw, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
906-289 A KWNWMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-289 0 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-289 1 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-289 2 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-289 3 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-289 4 KWNWMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-289 5 IRMTMIMNPMD  2550 123.NET, LLC 342      
906-289 6 MRQTMIMNPMD  508J CENTURYLINK COMMUNICATIONS, LLC 342      
906-289 7 MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342      
906-289 8 MRQTMIMNCMD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342      
906-289 9 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-312 A MRQTMIAQDS0  4632 TELNET WORLDWIDE, INC. 342      
906-331 A HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2024-03-04   
906-331 0 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-331 1 HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-331 2   624H ONVOY SPECTRUM, LLC 342      
906-331 7 BRLDMIMNBMD  516C AT&T CORP. 342      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.