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.

Switch: MRQTMIMNTMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-729 A Calumet MI 197D VONAGE AMERICA LLC 342      
906-729 0 Calumet MI 197D VONAGE AMERICA LLC 342   2018-08-05   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.