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: 604

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-604 A Lewiston MN ROCHMNHH0MD  447D CHARTER FIBERLINK, LLC - MN 620      
507-604 0 Lewiston MN ROCHMNHH0MD  447D CHARTER FIBERLINK, LLC - MN 620      
507-604 1 Lewiston MN ROCHMNROXAX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620   2023-01-20   
507-604 2 Lewiston MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2023-02-25   
507-604 3 Lewiston MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-06-21   
507-604 4 Lewiston MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2021-03-08   
507-604 5 Lewiston MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-09-12   
507-604 6 Lewiston MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-09-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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