Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 701 [Rate centres in NPA 701] [Dial plan for NPA 701]

NXX: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
701-506 A Casselton ND FARGNDBCX7X  452F ONVOY, LLC - ND 636      
701-506 0 Casselton ND FARGNDBCX3X  999E BANDWIDTH.COM CLEC, LLC - ND 636   2022-02-21   
701-506 1 Casselton ND   515J IP HORIZON LLC 636   2022-06-19   
701-506 3 Casselton ND FARGNDBCSMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 636   2022-02-18   
701-506 7 Casselton ND FARGNDBCX7X  452F ONVOY, LLC - ND 636   2023-05-22   
701-506 8 Casselton ND KNDRND03RS0  287G MLGC, L.L.C. - ND 636   2022-11-03   
701-506 9 Casselton ND FARGNDBCXMX  624H ONVOY SPECTRUM, LLC 636   2024-05-26   

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

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