Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-999 5 Oswego IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-09-13   
331-999 6 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2012-09-30   
331-999 7 Oswego IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-10-11   
331-999 8 Oswego IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2012-06-15   
331-999 9 Oswego IL CHCGIL24DS6  224C ONVOY, LLC 358   2019-07-14   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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