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.
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Switch: STLSMO07DSA

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-862 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-863 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-889 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-933 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-933 1 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-933 2 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-933 3 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-933 5 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-933 8 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-933 9 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-935 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-977 A St Louis MO 9533 SOUTHWESTERN BELL 520      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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