Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 515

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-515 A Zumbro Falls MN   624H ONVOY SPECTRUM, LLC 620   2025-03-17   
507-515 2 Zumbro Falls MN   624H ONVOY SPECTRUM, LLC 620   2025-03-17   
507-515 5 Zumbro Falls MN   145J TERRA NOVA TELECOM INC. 620   2025-09-05   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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