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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-447 A Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 0 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 1 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 2 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 3 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 4 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 5 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 6 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 7 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      
314-447 8 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2009-05-14   
314-447 9 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.