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: 585 [Rate centres in NPA 585] [Dial plan for NPA 585]

NXX: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-816 A Naples NY   384C ONVOY, LLC- NY 974      
585-816 2 Naples NY   384C ONVOY, LLC- NY 974   2021-05-24   
585-816 3 Naples NY   384C ONVOY, LLC- NY 974   2021-05-24   
585-816 5 Naples NY   384C ONVOY, LLC- NY 974   2021-03-28   
585-816 8 Naples NY   516J TON80 COMMUNICATIONS LLC 974   2022-03-22   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.