Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 513 [Rate centres in NPA 513] [Dial plan for NPA 513]

NXX: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-743 A Cincinnati OH CNCNOHREBMD  515J IP HORIZON LLC 922      
513-743 0 Cincinnati OH CNCNOHWSX8Z  624H ONVOY SPECTRUM, LLC 922   2021-11-12   
513-743 1 Cincinnati OH   515J IP HORIZON LLC 922   2020-11-16   
513-743 2 Cincinnati OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2021-01-14   
513-743 3 Cincinnati OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2021-01-14   
513-743 4 Cincinnati OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2021-01-14   
513-743 5 Cincinnati OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2021-01-14   
513-743 6 Cincinnati OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2021-01-14   
513-743 7 Cincinnati OH CNCNOHBVDS7  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 922   2021-02-13   
513-743 8 Cincinnati OH CNCNOHWSXJY  5562 METROPCS, INC. 922   2022-06-20   
513-743 9 Cincinnati OH CNCNOHRE8MD  197D VONAGE AMERICA LLC 922   2021-11-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.