Local Calling Guide

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

NXX: 808

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-808 A Plano IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-808 0 Plano IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2015-08-06   
331-808 1 Plano IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-04-06   
331-808 2 Plano IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-04-06   
331-808 3 Plano IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-11   
331-808 4 Plano IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-03-01   
331-808 5 Plano IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-09-06   
331-808 6 Plano IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-02-12   
331-808 7 Plano IL CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-09-26   
331-808 8 Plano IL CHCGILWUJMD  073H TELNYX LLC 358   2018-06-28   
331-808 9 Plano IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2016-11-19   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

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