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: GLBGILXD5MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-609 A Altona IL 593K MCC TELEPHONY LLC 977      
309-609 9 Altona IL 593K MCC TELEPHONY LLC 977   2010-07-24   
309-616 A Williamsfield IL 593K MCC TELEPHONY LLC 977      
309-616 9 Williamsfield IL 593K MCC TELEPHONY LLC 977   2010-07-24   
309-817 A Maquon IL 593K MCC TELEPHONY LLC 977      
309-817 2 Maquon IL 593K MCC TELEPHONY LLC 977   2010-07-24   
309-955 0 Wataga IL 593K MCC TELEPHONY LLC 977   2010-07-24   
309-973 0 Galesburg IL 593K MCC TELEPHONY LLC 977   2010-06-13   
309-975 1 Avon IL 593K MCC TELEPHONY LLC 977   2010-07-24   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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