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: 791

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-791 A Henrietta NY ROCHNYXAXLX  624H ONVOY SPECTRUM, LLC 974   2025-02-20   
585-791 0 Henrietta NY ROCHNYXAXLX  624H ONVOY SPECTRUM, LLC 974   2025-02-20   
585-791 6 Henrietta NY   7140 TC SYSTEMS, INC. - NY 974   2026-10-12   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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