Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 585 [Rate centres in NPA 585] [Dial plan for NPA 585]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-578 A Castile NY ROCHNYEI6MD  939H COMMIO, LLC 974      
585-578 0 Castile NY ROCHNYEI6MD  939H COMMIO, LLC 974   2021-11-26   
585-578 1 Castile NY ROCHNYXAXLX  624H ONVOY SPECTRUM, LLC 974   2025-01-16   
585-578 6 Castile NY BFLONYFRXBY  818H PEERING HUB, INC. - NY 974   2023-12-22   

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

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