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: MRHGMOGYDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-228 A Creve Coeur MO 4774 XO MISSOURI, INC. 520   2004-07-26   
314-237 A Ladue MO 4774 XO MISSOURI, INC. 520   2004-05-24   
314-248 A Mehlville MO 4774 XO MISSOURI, INC. 520   2004-07-26   
314-271 A Ladue MO 4774 XO MISSOURI, INC. 520   2004-06-27   
314-431 A Sappington MO 4774 XO MISSOURI, INC. 520      
314-433 A Mehlville MO 4774 XO MISSOURI, INC. 520      
314-442 A Ladue MO 4774 XO MISSOURI, INC. 520      
314-689 A Kirkwood MO 4774 XO MISSOURI, INC. 520   2004-08-07   
314-754 A St Louis MO 4774 XO MISSOURI, INC. 520      
314-779 A Kirkwood MO 4774 XO MISSOURI, INC. 520      
314-787 A Ladue MO 4774 XO MISSOURI, INC. 520      
314-874 A Ladue MO 4774 XO MISSOURI, INC. 520      
314-985 A Creve Coeur MO 4774 XO MISSOURI, INC. 520      
636-216 A Chesterfield MO 4774 XO MISSOURI, INC. 520   2004-07-26   
636-246 A St Charles MO 4774 XO MISSOURI, INC. 520   2004-05-24   
636-410 A St Charles MCA3 MO 4774 XO MISSOURI, INC. 520      
636-412 A Valley Park MCA3 MO 4774 XO MISSOURI, INC. 520      
636-533 A Fenton MCA3 MO 4774 XO MISSOURI, INC. 520      
636-594 A Manchester MCA3 MO 4774 XO MISSOURI, INC. 520      
636-773 A St Charles MO 4774 XO MISSOURI, INC. 520   2004-05-31   
636-794 A Harvester MCA4 MO 4774 XO MISSOURI, INC. 520      
636-898 A Chesterfield MCA3 MO 4774 XO MISSOURI, INC. 520      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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