Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 232

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-232 A West Chicago IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-232 0 West Chicago IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2018-09-21   
331-232 1 West Chicago IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2018-09-21   
331-232 2 West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-06-05   
331-232 3 West Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-05-23   
331-232 4 West Chicago IL CHCGILIDXDX  624H ONVOY SPECTRUM, LLC 358   2021-05-23   
331-232 5 West Chicago IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2021-10-04   
331-232 6 West Chicago IL CHCGIL24DS6  224C ONVOY, LLC 358   2023-09-07   
331-232 7 West Chicago IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-09-22   
331-232 8 West Chicago IL CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-09-26   
331-232 9 West Chicago IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-09-22   

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

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