Local Calling Guide

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

NXX: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-575 A Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-575 0 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-24   
331-575 1 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-20   
331-575 2 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-20   
331-575 3 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-20   
331-575 4 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-24   
331-575 5 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-24   
331-575 6 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-24   
331-575 7 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2010-05-07   
331-575 8 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2010-05-07   
331-575 9 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2008-07-28   

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

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