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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
618-329 A Oakdale IL OKDLILXERS0  520      
618-336 A Rice IL RICEILXERS0  520      
618-763 A Glenn IL GLNNILXERS0  362      
618-768 A St Libory IL STLBILXERS0  520      
618-774 A Blair IL BLARILXERS0  362      
618-785 A Baldwin IL BLDWILXEDS0  362      
618-824 A Venedy IL VNDYILXERS0  520      

Last updated: Sat, 10 Oct 2020 02:22:41 UTC

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