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: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-453 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 0 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 1 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 2 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 3 Creve Coeur MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-02-12   
314-453 4 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 5 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 6 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 7 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 8 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-453 9 Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.