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: 859

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-859 A Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-859 0 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 1 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 2 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 3 Cedar Falls IA   9631 QWEST CORPORATION 635      
319-859 4 Cedar Falls IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-05-29   
319-859 5 Cedar Falls IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2015-12-07   
319-859 6 Cedar Falls IA   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 635   2014-11-21   
319-859 7 Cedar Falls IA   221F ONVOY, LLC - IA 635   2016-04-06   
319-859 8 Cedar Falls IA   221F ONVOY, LLC - IA 635   2016-04-06   
319-859 9 Cedar Falls IA   9631 QWEST CORPORATION 635      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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