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: STLSMO25DSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-364 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-467 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-467 1 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-467 2 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-467 3 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-467 5 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-467 6 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-467 7 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 0 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 1 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 2 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 3 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 4 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 6 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 7 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 8 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-525 9 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-543 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-729 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-730 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-730 8 Sappington MO 9533 SOUTHWESTERN BELL 520      
314-842 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-843 A Sappington MO 9533 SOUTHWESTERN BELL 520      
314-849 A Sappington MO 9533 SOUTHWESTERN BELL 520      

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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