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: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-488 A New Sweden MN   145J TERRA NOVA TELECOM INC. 620      
507-488 4 New Sweden MN   145J TERRA NOVA TELECOM INC. 620   2025-09-01   
507-488 8 New Sweden MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2022-09-29   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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