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: SPFDILSLRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-206 A Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 1 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 2 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 3 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 4 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 6 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 7 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 8 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-206 9 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 A Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 0 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 1 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 2 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 3 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 4 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 5 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 6 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 7 Springfield IL 9329 ILLINOIS BELL TEL CO 374      
217-786 9 Springfield IL 9329 ILLINOIS BELL TEL CO 374      

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

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