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: 829

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-829 A Marquette MI   321J HD CARRIER LLC 342      
906-829 0 Marquette MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2015-08-08   
906-829 6 Marquette MI   321J HD CARRIER LLC 342   2026-01-25   
906-829 7 Marquette MI   321J HD CARRIER LLC 342   2026-01-25   
906-829 8 Marquette MI   321J HD CARRIER LLC 342   2026-01-25   
906-829 9 Marquette MI   321J HD CARRIER LLC 342   2026-01-25   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.