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: BLTNILTSZMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-433 2 Bloomington IL 516J TON80 COMMUNICATIONS, LLC 366   2022-04-21   
779-466 A Emington IL 516J TON80 COMMUNICATIONS, LLC 366      
779-466 3 Emington IL 516J TON80 COMMUNICATIONS, LLC 366   2022-03-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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