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.

NPA: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 729

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-729 A Calumet MI MRQTMIMNTMD  197D VONAGE AMERICA LLC 342      
906-729 0 Calumet MI MRQTMIMNTMD  197D VONAGE AMERICA LLC 342      
906-729 1 Calumet MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-729 3 Calumet MI MRQTMIMNYMD  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 342      
906-729 4 Calumet MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-729 5 Calumet MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-729 6 Calumet MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-729 7 Calumet MI   624H ONVOY SPECTRUM, LLC 342      
906-729 9 Calumet MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.