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: 314 [Rate centres in NPA 314] [Dial plan for NPA 314]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-666 A Ladue MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
314-666 0 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
314-666 1 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
314-666 2 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
314-666 3 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
314-666 4 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
314-666 5 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
314-666 6 Ladue MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
314-666 7 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
314-666 8 Ladue MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
314-666 9 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.