Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-600 A Iowa City IA IWCYIA706MD  965H FRACTEL, LLC 635      
319-600 0 Iowa City IA   965H FRACTEL, LLC 635   2019-06-04   
319-600 1 Iowa City IA   423H AIRUS, INC - IA 635   2020-04-24   
319-600 2 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2020-04-15   
319-600 3 Iowa City IA   221F ONVOY, LLC - IA 635   2021-03-14   
319-600 4 Iowa City IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2023-09-17   
319-600 5 Iowa City IA   221F ONVOY, LLC - IA 635   2024-07-16   
319-600 6 Iowa City IA   221F ONVOY, LLC - IA 635   2019-09-19   
319-600 7 Iowa City IA   221F ONVOY, LLC - IA 635   2019-09-19   
319-600 8 Iowa City IA   221F ONVOY, LLC - IA 635   2019-09-19   
319-600 9 Iowa City IA   939H COMMIO, LLC 635   2024-03-01   

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

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