Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 513 [Rate centres in NPA 513] [Dial plan for NPA 513]

NXX: 778

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-778 A Cincinnati OH CNCNOHWSXIZ  478J NUSO, LLC 922      
513-778 0 Cincinnati OH   624H ONVOY SPECTRUM, LLC 922   2021-11-12   
513-778 1 Cincinnati OH   478J NUSO, LLC 922   2020-12-11   
513-778 2 Cincinnati OH   624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 3 Cincinnati OH   624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 4 Cincinnati OH   624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 5 Cincinnati OH   624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 6 Cincinnati OH   624H ONVOY SPECTRUM, LLC 922   2021-02-23   
513-778 7 Cincinnati OH   624H ONVOY SPECTRUM, LLC 922   2021-11-12   
513-778 8 Cincinnati OH   197D VONAGE AMERICA LLC 922   2021-11-03   
513-778 9 Cincinnati OH   197D VONAGE AMERICA LLC 922   2021-11-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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