Local Calling Guide

Area code/prefix search

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NPA: 717 [Rate centres in NPA 717] [Dial plan for NPA 717]

NXX: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
717-297 A Mount Gretna PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226      
717-297 0 Mount Gretna PA   547E ONVOY, LLC - PA 226   2016-05-02   
717-297 1 Mount Gretna PA   547E ONVOY, LLC - PA 226   2016-05-02   
717-297 2 Mount Gretna PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2018-06-08   
717-297 3 Mount Gretna PA   7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 226   2018-06-01   
717-297 5 Mount Gretna PA   145J TERRA NOVA TELECOM INC. 226   2025-04-09   
717-297 6 Mount Gretna PA   547E ONVOY, LLC - PA 226   2019-09-20   
717-297 7 Mount Gretna PA   547E ONVOY, LLC - PA 226   2018-09-07   
717-297 8 Mount Gretna PA   073H TELNYX LLC 226   2017-07-27   

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

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