Local Calling Guide

Area code/prefix search

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

NXX: 899

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-899 A Lombard IL CHCGILWURMD  965H FRACTEL, LLC 358      
331-899 0 Lombard IL CHCGIL24MMD  515J IP HORIZON LLC 358   2021-06-14   
331-899 1 Lombard IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2021-08-17   
331-899 2 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
331-899 3 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
331-899 4 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
331-899 5 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
331-899 6 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
331-899 7 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
331-899 8 Lombard IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-03-01   
331-899 9 Lombard IL CHCGILWURMD  965H FRACTEL, LLC 358   2021-02-19   

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

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