Local Calling Guide

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

NXX: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-204 A Naperville IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-204 0 Naperville IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-204 1 Naperville IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-204 2 Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-204 3 Naperville IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-204 4 Naperville IL CHCGIL24DS6  224C ONVOY, LLC 358      
331-204 5 Naperville IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
331-204 6 Naperville IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358      
331-204 7 Naperville IL CHCGILWUJMD  073H TELNYX LLC 358      
331-204 8 Naperville IL   515J IP HORIZON LLC 358      
331-204 9 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      

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

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