Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-400 A Columbus NE OMAHNENWXPX  549E ONVOY, LLC - NE 644      
531-400 0 Columbus NE OMAKNEYW1MD  939H COMMIO, LLC 644   2022-12-18   
531-400 1 Columbus NE OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644   2021-10-31   
531-400 2 Columbus NE OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644   2021-10-31   
531-400 3 Columbus NE BLLVNEBL5MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 644   2023-03-06   
531-400 4 Columbus NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-05-07   
531-400 5 Columbus NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-05-07   
531-400 6 Columbus NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-05-07   
531-400 7 Columbus NE OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2022-03-19   
531-400 8 Columbus NE OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644   2021-07-18   
531-400 9 Columbus NE OMAHNENWX6Y  073H TELNYX LLC 644   2022-03-01   

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

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