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: 212

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-212 A Oakland NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644      
531-212 0 Oakland NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2016-03-28   
531-212 1 Oakland NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-09-23   
531-212 3 Oakland NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-06-15   
531-212 4 Oakland NE BLLVNEBLCMD  073H TELNYX LLC 644   2022-06-28   
531-212 5 Oakland NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-10-12   
531-212 6 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-212 7 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-212 8 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-212 9 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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