Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 607 [Rate centres in NPA 607] [Dial plan for NPA 607]

NXX: 334

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
607-334 A Norwich NY NRWCNYXADS0  0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 138      

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

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