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: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-223 A Howells NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2025-02-10   
531-223 0 Howells NE OMAKNEYW0MD  073H TELNYX LLC 644   2018-08-31   
531-223 1 Howells NE OMAKNEYWDS1  478H AIRUS, INC. - NE 644   2019-05-16   
531-223 2 Howells NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-223 3 Howells NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-223 4 Howells NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-06-15   
531-223 5 Howells NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-11-16   
531-223 6 Howells NE   5562 METROPCS, INC. 644   2025-05-06   
531-223 7 Howells NE OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644   2025-01-02   
531-223 8 Howells NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-03-13   
531-223 9 Howells NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-03-13   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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