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
331-229 A Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-01-26   
331-229 0 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-01-26   
331-229 1 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-10-02   
331-229 2 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-09-06   
331-229 3 Naperville IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2013-08-01   
331-229 4 Naperville IL   7575 CENTURYLINK COMMUNICATIONS LLC 358   2013-06-28   
331-229 5 Naperville IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-08-25   
331-229 6 Naperville IL   6664 SPRINT SPECTRUM L.P. 358   2013-02-22   
331-229 7 Naperville IL   6664 SPRINT SPECTRUM L.P. 358   2013-02-22   
331-229 8 Naperville IL   7607 COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL 358   2013-11-20   
331-229 9 Naperville IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-04-18   

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

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