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: RCISILRIDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-206 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-206 1 Rock Island IL 9329 ILLINOIS BELL TEL CO 634   2011-08-20   
309-206 2 Rock Island IL 9329 ILLINOIS BELL TEL CO 634   2011-08-20   
309-558 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-558 2 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-558 3 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-644 5 Rock Island IL 9329 ILLINOIS BELL TEL CO 634   2010-08-06   
309-644 6 Rock Island IL 9329 ILLINOIS BELL TEL CO 634   2010-08-06   
309-644 7 Rock Island IL 9329 ILLINOIS BELL TEL CO 634   2010-08-06   
309-644 8 Rock Island IL 9329 ILLINOIS BELL TEL CO 634   2010-08-06   
309-732 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 0 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 1 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 2 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 3 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 4 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 5 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 7 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 8 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-732 9 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 0 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 1 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 2 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 3 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 4 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 5 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 6 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 7 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-779 9 Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-782 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-786 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-788 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-793 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      
309-794 A Rock Island IL 9329 ILLINOIS BELL TEL CO 634      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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