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: 979

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-979 A Rochester MN ROCHMNROXBY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 620   2024-07-02   
507-979 9 Rochester MN ROCHMNROXBY  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 620   2024-07-02   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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