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.

NPA: 872 [Rate centres in NPA 872] [Dial plan for NPA 872]

NXX: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-825 A Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358      
872-825 0 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 1 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 2 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 3 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 4 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 5 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 6 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 7 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 8 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   
872-825 9 Chicago Zone 01-Calumet IL CHCGILCLDS3  9329 ILLINOIS BELL TEL CO 358   2010-01-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.