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: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-227 A Clarkson NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2025-02-10   
531-227 1 Clarkson NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-227 2 Clarkson NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-227 3 Clarkson NE OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644   2024-12-27   
531-227 4 Clarkson NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-04-12   
531-227 5 Clarkson NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-06-15   
531-227 6 Clarkson NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-03-12   
531-227 7 Clarkson NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-03-12   
531-227 8 Clarkson NE OMAKNEYW0MD  073H TELNYX LLC 644   2019-09-23   
531-227 9 Clarkson NE OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2022-11-25   

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

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