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: 496

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-496 A Springfield MN OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      
507-496 1 Springfield MN OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620   2010-05-29   
507-496 7 Springfield MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2023-03-09   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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