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: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-647 A Rochester NY ROCHNYXERS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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