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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-300 A Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
872-300 0 Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-11-23   
872-300 1 Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-11-23   
872-300 2 Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-11-23   
872-300 3 Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-12-22   
872-300 4 Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-12-22   
872-300 5 Chicago Zone 07-Stewart IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2024-08-18   
872-300 6 Chicago Zone 07-Stewart IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2024-08-18   
872-300 7 Chicago Zone 07-Stewart IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-02-04   
872-300 8 Chicago Zone 07-Stewart IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2024-09-17   
872-300 9 Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2023-09-22   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.