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: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-315 A Blairsburg IA DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632      
515-315 3 Blairsburg IA DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632   2021-08-21   
515-315 5 Blairsburg IA DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632   2021-10-30   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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