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.

Switch: STLSMO26DSA

Remotes:

Switch Switch name Switch type
STLSMO08RS3  ST LOUIS  DMT 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-246 2 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-246 3 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-246 4 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-246 5 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-246 7 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-246 8 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 A Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 0 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 1 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 2 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 3 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 4 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 5 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 6 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-301 7 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 A Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 0 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 1 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 2 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 3 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 4 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 6 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 7 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 8 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-918 9 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-919 A Ladue MO 9533 SOUTHWESTERN BELL 520      
314-919 0 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-919 1 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-919 2 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-919 3 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-919 4 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-919 8 Ladue MO 9533 SOUTHWESTERN BELL 520      
314-961 A Ladue MO 9533 SOUTHWESTERN BELL 520      
314-962 A Ladue MO 9533 SOUTHWESTERN BELL 520      
314-963 A Ladue MO 9533 SOUTHWESTERN BELL 520      
314-968 A Ladue MO 9533 SOUTHWESTERN BELL 520      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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