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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-230 A Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-230 0 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-230 1 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-230 2 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-230 3 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-230 4 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-230 5 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-230 6 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-230 7 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-230 8 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-230 9 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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