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.
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Switch: CHCGILWUDS4

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
872-813 8 Chicago Zone 05-Austin IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
872-813 9 Chicago Zone 05-Austin IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
872-829 0 Chicago Zone 04-Humboldt IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
872-829 1 Chicago Zone 04-Humboldt IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
872-870 9 Chicago Zone 09-South Chicago IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
872-873 6 Chicago Zone 11-O'Hare IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      
872-895 9 Chicago Zone 01-Calumet IL 063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358      

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

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