Local Calling Guide

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

NXX: 702

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-702 A Naperville IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
331-702 0 Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-11-07   
331-702 1 Naperville IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2014-11-07   
331-702 2 Naperville IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2014-06-20   
331-702 3 Naperville IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2013-12-07   
331-702 4 Naperville IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2013-12-07   
331-702 5 Naperville IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2013-12-07   
331-702 6 Naperville IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2014-06-25   
331-702 7 Naperville IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2014-10-16   
331-702 8 Naperville IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2014-10-16   
331-702 9 Naperville IL CHCGIL24DS6  224C ONVOY, LLC 358   2014-12-10   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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