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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OCN: 395H WIDE VOICE, LLC - IL

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
708-900 0 Riverdale IL CHCGILWBXNZ  358   2024-03-26   
872-340 A Chicago Zone 04-Humboldt IL CHCGILWBXNZ  358      
872-340 1 Chicago Zone 04-Humboldt IL CHCGILWBXNZ  358   2023-11-30   
872-340 2 Chicago Zone 04-Humboldt IL CHCGILWBXNZ  358   2023-11-30   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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