Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 879

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
717-879 A Manheim PA CVSTPACO1MD  8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 226      
717-879 0 Manheim PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2009-03-24   
717-879 4 Manheim PA   8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC 226   2007-12-30   
717-879 5 Manheim PA   5562 METROPCS, INC. 226   2019-04-29   
717-879 6 Manheim PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 226   2015-06-20   
717-879 7 Manheim PA   508J CENTURYLINK COMMUNICATIONS, LLC 226   2015-01-09   
717-879 8 Manheim PA   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 226   2016-05-13   
717-879 9 Manheim PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 226   2010-06-07   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.