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: STLSMO09XMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-608 A Ste Genevieve MO 7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS 520   2010-01-22   
573-708 A Cape Girardeau MO 7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS 520   2010-04-02   
573-891 A Dexter MO 7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS 520   2008-12-05   
636-283 A Washington MO 7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS 520   2007-08-06   
636-543 A Festus-Crystal City MO 7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS 520   2009-09-07   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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