Local Calling Guide

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

NXX: 229

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-229 A Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
331-229 0 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-01-26   
331-229 1 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-10-02   
331-229 2 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2013-09-06   
331-229 3 Naperville IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2013-08-01   
331-229 4 Naperville IL CHCGILDT8MD  508J CENTURYLINK COMMUNICATIONS, LLC 358   2013-06-28   
331-229 5 Naperville IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2013-08-25   
331-229 6 Naperville IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2013-02-22   
331-229 7 Naperville IL CHCGILMF2MD  6529 T-MOBILE USA, INC. 358   2013-02-22   
331-229 8 Naperville IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2013-11-20   
331-229 9 Naperville IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2014-04-18   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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