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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-300 A Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-300 0 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-300 1 Aurora IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-300 2 Aurora IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-300 3 Aurora IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-300 4 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-300 5 Aurora IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-300 6 Aurora IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
331-300 7 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      
331-300 8 Aurora IL   515J IP HORIZON LLC 358      
331-300 9 Aurora IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358      

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

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