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: 246

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-246 A Ladue MO STLSMO21DS3  9533 SOUTHWESTERN BELL 520      
314-246 0 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2010-02-25   
314-246 1 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-05-03   
314-246 2 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-246 3 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-246 4 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-246 5 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-246 6 Ladue MO STLSMO21DS3  9533 SOUTHWESTERN BELL 520      
314-246 7 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-246 8 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-246 9 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-13   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.