Local Calling Guide

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

NXX: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-998 A Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-998 0 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-10-31   
331-998 1 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-11-15   
331-998 2 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2015-11-01   
331-998 3 Downers Grove IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-11-23   
331-998 4 Downers Grove IL CHCGILTCDS4  7056 XO ILLINOIS, INC. 358   2015-11-28   
331-998 5 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2016-02-06   
331-998 6 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-02-15   
331-998 7 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-02-15   
331-998 8 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-09-09   
331-998 9 Downers Grove IL CHCGIL24DS6  224C ONVOY, LLC 358   2016-02-15   

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

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