Local Calling Guide

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

NXX: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-499 A Iowa City IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
319-499 0 Iowa City IA   6529 T-MOBILE USA, INC. 635   2011-05-23   
319-499 1 Iowa City IA   593K MCC TELEPHONY LLC 635   2011-05-25   
319-499 2 Iowa City IA   6529 T-MOBILE USA, INC. 635   2012-03-18   
319-499 3 Iowa City IA   6529 T-MOBILE USA, INC. 635   2012-11-01   
319-499 4 Iowa City IA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2014-04-03   
319-499 5 Iowa City IA   985E BANDWIDTH.COM CLEC, LLC - IA 635   2015-02-16   
319-499 6 Iowa City IA   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635   2012-05-01   
319-499 7 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2015-05-15   
319-499 8 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2013-08-30   
319-499 9 Iowa City IA   444G AUREON COMMUNICATIONS, LLC 635   2012-08-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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