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: 618

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-618 A Fairport NY ROCHNYCT1MD  939H COMMIO, LLC 974      
585-618 0 Fairport NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974   2024-02-29   
585-618 1 Fairport NY ROCHNYCT1MD  939H COMMIO, LLC 974   2022-05-05   
585-618 2 Fairport NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974   2023-08-18   
585-618 3 Fairport NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974   2023-08-18   
585-618 4 Fairport NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974   2023-08-18   
585-618 5 Fairport NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974   2023-08-18   
585-618 6 Fairport NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974   2023-08-18   
585-618 7 Fairport NY ROCHNYEI6MD  939H COMMIO, LLC 974   2024-02-18   
585-618 8 Fairport NY ROCHNYEI6MD  939H COMMIO, LLC 974   2024-02-18   
585-618 9 Fairport NY ROCHNYEI6MD  939H COMMIO, LLC 974   2024-02-18   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.