Local Calling Guide

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

NXX: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-766 A Oakville IA OKVLIAXORS2  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-766 0 Oakville IA   444G AUREON COMMUNICATIONS, LLC 634   2014-01-08   
319-766 1 Oakville IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-766 2 Oakville IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-766 3 Oakville IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-766 4 Oakville IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 634      
319-766 5 Oakville IA   221F ONVOY, LLC - IA 634   2021-03-14   
319-766 6 Oakville IA   221F ONVOY, LLC - IA 634   2020-06-27   
319-766 7 Oakville IA   508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-07   
319-766 8 Oakville IA   624H ONVOY SPECTRUM, LLC 634   2024-12-19   

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

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