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: STLSMOZE7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-204 A St Louis MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-404 A Ladue MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-430 A St Louis MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-751 A St Louis MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-870 A Ladue MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-929 A St Louis MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-945 A St Louis MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-981 A Ladue MO 6630 USA MOBILITY WIRELESS, INC. 520      
314-990 A St Louis MO 6630 USA MOBILITY WIRELESS, INC. 520      
636-320 A Harvester MO 6630 USA MOBILITY WIRELESS, INC. 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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