Local Calling Guide

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

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-631 A Iowa City IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
319-631 0 Iowa City IA   5562 METROPCS, INC. 635      
319-631 1 Iowa City IA   5562 METROPCS, INC. 635      
319-631 2 Iowa City IA   5562 METROPCS, INC. 635      
319-631 3 Iowa City IA   5562 METROPCS, INC. 635      
319-631 4 Iowa City IA   5562 METROPCS, INC. 635      
319-631 5 Iowa City IA   5562 METROPCS, INC. 635      
319-631 6 Iowa City IA   5562 METROPCS, INC. 635      
319-631 7 Iowa City IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-10   
319-631 8 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-07-17   
319-631 9 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2008-10-04   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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