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: BNTOILBADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
847-277 A Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-304 A Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-381 A Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-382 A Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-620 3 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-620 4 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-620 6 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-620 7 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-713 2 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-756 2 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-756 4 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-756 6 Barrington IL 9329 ILLINOIS BELL TEL CO 358      
847-842 A Barrington IL 9329 ILLINOIS BELL TEL CO 358      

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

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