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
331-814 A Naperville IL   6529 T-MOBILE USA, INC. 358      
331-814 0 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2015-11-13   
331-814 1 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-10-08   
331-814 2 Naperville IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2015-08-24   
331-814 3 Naperville IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2015-10-11   
331-814 4 Naperville IL   4717 PAETEC COMMUNICATIONS, INC. - IL 358   2015-11-13   
331-814 5 Naperville IL   6529 T-MOBILE USA, INC. 358   2015-08-23   
331-814 6 Naperville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-07-25   
331-814 7 Naperville IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-07-25   
331-814 8 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-10-08   
331-814 9 Naperville IL   6529 T-MOBILE USA, INC. 358   2015-08-23   

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

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