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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-522 A Royal Oak MI BRHMMIBDBMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 0 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 1 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 2 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 3 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 4 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 5 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 6 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 7 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 8 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
947-522 9 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.