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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-300 A Creston NE OMAHNENWXPX  549E ONVOY, LLC - NE 644      
531-300 0 Creston NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2016-05-19   
531-300 1 Creston NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2016-05-19   
531-300 2 Creston NE OMAHNENWXTX  995E BANDWIDTH.COM CLEC, LLC - NE 644   2018-06-08   
531-300 3 Creston NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-300 4 Creston NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-300 5 Creston NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-10-12   
531-300 6 Creston NE OMAHNENWXTX  995E BANDWIDTH.COM CLEC, LLC - NE 644   2020-06-07   
531-300 7 Creston NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-06-23   
531-300 9 Creston NE OMAKNEYWDS1  478H AIRUS, INC. - NE 644   2019-05-20   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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