Local Calling Guide

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

NXX: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
872-381 A Chicago Zone 09-South Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-03-09   
872-381 0 Chicago Zone 09-South Chicago IL   224C ONVOY, LLC 358   2025-03-10   
872-381 1 Chicago Zone 09-South Chicago IL   6529 T-MOBILE USA, INC. 358   2025-07-10   
872-381 2 Chicago Zone 09-South Chicago IL   6529 T-MOBILE USA, INC. 358   2025-07-10   
872-381 3 Chicago Zone 09-South Chicago IL   6529 T-MOBILE USA, INC. 358   2025-07-10   
872-381 4 Chicago Zone 09-South Chicago IL   490J BOOST SUBSCRIBERCO L.L.C. 358   2025-08-29   
872-381 5 Chicago Zone 09-South Chicago IL   490J BOOST SUBSCRIBERCO L.L.C. 358   2025-11-26   
872-381 6 Chicago Zone 09-South Chicago IL   490J BOOST SUBSCRIBERCO L.L.C. 358   2026-01-25   
872-381 7 Chicago Zone 09-South Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-03-09   
872-381 8 Chicago Zone 09-South Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-03-09   
872-381 9 Chicago Zone 09-South Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-03-09   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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