Local Calling Guide

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

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-305 A Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-305 0 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-10-11   
331-305 1 Naperville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2013-12-05   
331-305 2 Naperville IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2014-05-10   
331-305 3 Naperville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
331-305 4 Naperville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
331-305 5 Naperville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
331-305 6 Naperville IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2014-01-19   
331-305 7 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-04   
331-305 8 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-04   
331-305 9 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-09-19   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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