Local Calling Guide

Area code/prefix search

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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-423 A Cedar Rapids IA CDRRIADTUMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635      
319-423 0 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-08-01   
319-423 1 Cedar Rapids IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2010-08-06   
319-423 2 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-09-05   
319-423 3 Cedar Rapids IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2010-10-04   
319-423 4 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-11-01   
319-423 5 Cedar Rapids IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2010-11-01   
319-423 6 Cedar Rapids IA CDRRIADTUMD  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635   2010-06-28   
319-423 7 Cedar Rapids IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2010-09-23   
319-423 8 Cedar Rapids IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2011-03-20   
319-423 9 Cedar Rapids IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635   2011-06-02   

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

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