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: 463

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-463 A New Richland MN   624H ONVOY SPECTRUM, LLC 620      
507-463 6 New Richland MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2024-12-19   
507-463 8 New Richland MN   145J TERRA NOVA TELECOM INC. 620   2026-05-01   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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