Local Calling Guide

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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-271 A Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-271 0 Hinsdale IL CHCGILWUKMD  939H COMMIO, LLC 358   2021-10-14   
331-271 1 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358   2020-12-19   
331-271 2 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358   2020-12-19   
331-271 3 Hinsdale IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2021-02-11   
331-271 4 Hinsdale IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2021-02-11   
331-271 5 Hinsdale IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2020-12-20   
331-271 6 Hinsdale IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2021-02-11   
331-271 7 Hinsdale IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358   2021-02-11   
331-271 8 Hinsdale IL CHCGILWBXSZ  478J NUSO, LLC 358   2020-12-20   
331-271 9 Hinsdale IL CHCGILWBXSZ  478J NUSO, LLC 358   2020-12-20   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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