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: 918

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-918 A Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 0 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 1 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 2 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 3 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 4 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 5 Ladue MO STLSMO09WMD  516C AT&T CORP. 520      
314-918 6 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 7 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 8 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      
314-918 9 Ladue MO STLSMO26DSA  9533 SOUTHWESTERN BELL 520      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.