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: 354

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-354 A Chicago Zone 08-Portsmouth IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-03-10   
872-354 0 Chicago Zone 08-Portsmouth IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-03-10   
872-354 1 Chicago Zone 08-Portsmouth IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-03-10   
872-354 2 Chicago Zone 08-Portsmouth IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-03-10   
872-354 3 Chicago Zone 08-Portsmouth IL CHCGILWUKMD  939H COMMIO, LLC 358   2024-03-10   
872-354 4 Chicago Zone 08-Portsmouth IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-05-11   
872-354 5 Chicago Zone 08-Portsmouth IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2024-06-01   
872-354 6 Chicago Zone 08-Portsmouth IL CHCGILWUXMD  490J DISH WIRELESS, LLC 358   2024-06-14   
872-354 7 Chicago Zone 08-Portsmouth IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-12   
872-354 8 Chicago Zone 08-Portsmouth IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-12   
872-354 9 Chicago Zone 08-Portsmouth IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-03-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.