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: 885

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-885 A Butterfield MN ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-885 5 Butterfield MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2021-03-06   
507-885 6 Butterfield MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-06-21   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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