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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-450 A Oxford OH   464C ONVOY, LLC - OH 922   2022-03-11   
513-450 0 Oxford OH   907J BARR TELL USA 922   2022-04-29   
513-450 1 Oxford OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 922   2022-06-05   
513-450 5 Oxford OH   464C ONVOY, LLC - OH 922   2022-03-11   
513-450 6 Oxford OH   464C ONVOY, LLC - OH 922   2022-03-11   
513-450 7 Oxford OH   464C ONVOY, LLC - OH 922   2022-03-11   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.