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: NWLNILNLDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-300 A New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 0 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 1 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 2 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 3 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 4 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 5 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 6 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 7 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 8 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-300 9 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-462 A New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 A New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 0 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 1 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 2 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 4 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 5 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 8 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-463 9 New Lenox IL 9329 ILLINOIS BELL TEL CO 358      
815-485 A New Lenox IL 9329 ILLINOIS BELL TEL CO 358      

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

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