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: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-434 A Rochester NY   793K TWC IP ENABLED SERVICES, LLC 974   2025-03-04   
585-434 0 Rochester NY   793K TWC IP ENABLED SERVICES, LLC 974   2014-12-01   
585-434 1 Rochester NY   793K TWC IP ENABLED SERVICES, LLC 974   2014-12-01   
585-434 2 Rochester NY   793K TWC IP ENABLED SERVICES, LLC 974   2014-12-01   
585-434 3 Rochester NY   793K TWC IP ENABLED SERVICES, LLC 974   2014-12-30   
585-434 4 Rochester NY   793K TWC IP ENABLED SERVICES, LLC 974   2014-12-30   
585-434 5 Rochester NY   793K TWC IP ENABLED SERVICES, LLC 974   2014-12-30   
585-434 6 Rochester NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974   2015-02-07   
585-434 7 Rochester NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974   2015-02-07   
585-434 8 Rochester NY   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 974   2015-02-14   
585-434 9 Rochester NY   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 974   2015-02-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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