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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
607-256 A Ithaca NY ITHCNYIHDS0  9104 VERIZON NEW YORK, INC. 136      
607-256 0 Ithaca NY   9104 VERIZON NEW YORK, INC. 136      
607-256 1 Ithaca NY   145J TERRA NOVA TELECOM INC. 136   2022-11-02   
607-256 2 Ithaca NY   145J TERRA NOVA TELECOM INC. 136   2022-04-11   
607-256 3 Ithaca NY   145J TERRA NOVA TELECOM INC. 136   2023-06-22   
607-256 4 Ithaca NY   6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 136   2024-11-27   
607-256 5 Ithaca NY   9104 VERIZON NEW YORK, INC. 136      
607-256 6 Ithaca NY   282E YMAX COMMUNICATIONS CORP. - NY 136   2009-08-24   
607-256 8 Ithaca NY   145J TERRA NOVA TELECOM INC. 136   2025-10-04   
607-256 9 Ithaca NY   145J TERRA NOVA TELECOM INC. 136   2024-10-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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