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: 947 [Rate centres in NPA 947] [Dial plan for NPA 947]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-223 A Commerce MI   543C ONVOY, LLC - MI 340   2020-08-23   
947-223 1 Commerce MI   543C ONVOY, LLC - MI 340   2020-08-23   
947-223 2 Commerce MI   543C ONVOY, LLC - MI 340   2020-08-23   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.