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: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
607-250 A Cortland NY SYRCNYSWDS0  7140 TC SYSTEMS, INC. - NY 136      
607-250 0 Cortland NY   145J TERRA NOVA TELECOM INC. 136   2022-11-02   
607-250 1 Cortland NY   384C ONVOY, LLC- NY 136   2017-01-08   
607-250 2 Cortland NY   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 3 Cortland NY   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 4 Cortland NY   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 5 Cortland NY   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 6 Cortland NY   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 7 Cortland NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 136   2025-03-14   
607-250 8 Cortland NY   7140 TC SYSTEMS, INC. - NY 136      
607-250 9 Cortland NY   532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 136   2020-12-13   

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

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