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: MILNILMIDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-756 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-756 0 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-756 1 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-756 2 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-756 3 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-756 4 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-756 5 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-787 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      

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

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