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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-220 A Central City IA CNCYIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-220 0 Central City IA   221F ONVOY, LLC - IA 635   2017-12-30   
319-220 1 Central City IA   073H TELNYX LLC 635   2020-05-25   
319-220 2 Central City IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-11   
319-220 3 Central City IA   221F ONVOY, LLC - IA 635   2019-09-19   
319-220 4 Central City IA   221F ONVOY, LLC - IA 635   2019-09-19   
319-220 5 Central City IA   221F ONVOY, LLC - IA 635   2020-05-15   
319-220 6 Central City IA   221F ONVOY, LLC - IA 635   2020-05-15   
319-220 7 Central City IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-09   
319-220 8 Central City IA   221F ONVOY, LLC - IA 635   2021-03-14   
319-220 9 Central City IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635   2015-09-01   

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

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