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: 207

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-207 A Cedarville MI MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342      
906-207 0 Cedarville MI   116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-11-22   
906-207 1 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-02-27   
906-207 2 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-06-11   
906-207 3 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-06-11   
906-207 4 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-08-22   
906-207 5 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-10-07   
906-207 6 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-12-09   
906-207 7 Cedarville MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2018-03-09   
906-207 8 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-07-11   
906-207 9 Cedarville MI   543C ONVOY, LLCV - MI 342   2021-12-09   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.