Local Calling Guide

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

NXX: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-903 A Downers Grove IL CHCGILCLXOX  516C AT&T CORP. 358      
331-903 0 Downers Grove IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-22   
331-903 1 Downers Grove IL CHCGIL24DS3  4604 FIRST COMMUNICATIONS, LLC - IL 358   2016-06-25   
331-903 2 Downers Grove IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-09-09   
331-903 3 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2015-07-04   
331-903 4 Downers Grove IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2015-08-07   
331-903 5 Downers Grove IL CHCGILCLXOX  516C AT&T CORP. 358   2014-06-14   
331-903 6 Downers Grove IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2014-10-07   
331-903 7 Downers Grove IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-11-22   
331-903 8 Downers Grove IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-11-22   
331-903 9 Downers Grove IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2015-07-25   

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

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