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: 283 [Rate centres in NPA 283] [Dial plan for NPA 283]

NXX: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
283-220 A Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 0 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 1 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 2 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 3 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 4 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 5 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 6 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 7 Cincinnati OH CNCNOHWSX2Z  939H COMMIO, LLC 922   2024-05-09   
283-220 8 Cincinnati OH CNCNOHAF2MD  001F BANDWIDTH.COM CLEC, LLC - OH 922   2024-05-10   
283-220 9 Cincinnati OH CNCNOHAF2MD  001F BANDWIDTH.COM CLEC, LLC - OH 922   2024-05-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.