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: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-416 A Rockland MI MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342      
906-416 0 Rockland MI MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-11-23   
906-416 1 Rockland MI   792K CHARTER IP ENABLED SERVICES, LLC 342   2020-09-24   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.