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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-674 A Waterport NY BFLONYFRXHY  384C ONVOY, LLC- NY 140      
585-674 0 Waterport NY BFLONYFRX8Y  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 140   2024-10-13   
585-674 2 Waterport NY BFLONYFRXHY  384C ONVOY, LLC- NY 140   2023-09-16   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.