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: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-612 A Rochester MN   700J WAVENATION, LLC 620   2026-02-02   
507-612 0 Rochester MN   700J WAVENATION, LLC 620   2026-02-02   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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