Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-750 A Dawson IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-750 0 Dawson IA   221F ONVOY, LLC - IA 632   2016-05-19   
515-750 1 Dawson IA   221F ONVOY, LLC - IA 632   2016-05-19   
515-750 2 Dawson IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2018-08-24   
515-750 3 Dawson IA   073H TELNYX LLC 632   2020-05-28   
515-750 4 Dawson IA   221F ONVOY, LLC - IA 632   2020-11-16   
515-750 5 Dawson IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
515-750 6 Dawson IA   221F ONVOY, LLC - IA 632   2020-11-16   
515-750 7 Dawson IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-21   
515-750 8 Dawson IA   444G AUREON COMMUNICATIONS, LLC 632   2024-10-27   
515-750 9 Dawson IA   221F ONVOY, LLC - IA 632   2021-03-08   

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

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