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: STLTMOBODS1

<< 1 2 3 4 5 6 7 8 9 10 11 12

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-866 A St Charles MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-866 0 St Charles MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-866 2 St Charles MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2009-07-10   
636-893 A Manchester MCA3 MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-893 1 Manchester MCA3 MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 A Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 0 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 1 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 2 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 3 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 4 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 5 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 6 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-898 8 Chesterfield MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-900 5 Washington MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2019-09-02   
636-900 6 Washington MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2019-09-02   
636-933 8 Festus-Crystal City MO 7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2009-05-26   

<< 1 2 3 4 5 6 7 8 9 10 11 12

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.