Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 872 [Rate centres in NPA 872] [Dial plan for NPA 872]

NXX: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-270 A Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358      
872-270 0 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-03-12   
872-270 1 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2026-03-22   
872-270 2 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-03-12   
872-270 3 Chicago Zone 01-Calumet IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-03-12   
872-270 4 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2021-03-12   
872-270 5 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2021-03-12   
872-270 6 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2021-03-12   
872-270 7 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2021-03-12   
872-270 8 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2021-03-12   
872-270 9 Chicago Zone 01-Calumet IL   224C ONVOY, LLC 358   2021-03-12   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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