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: STLSMOGZDS5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-300 A St Louis MO 225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-07-13   
314-627 A St Louis MO 225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
314-666 A Ladue MO 225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-07-14   
618-221 A Breese IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2012-12-21   
618-413 A Marine IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2012-06-15   
618-551 A Collinsville IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2008-08-31   
636-277 A St Charles MO 225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2010-04-29   

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

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