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: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
717-355 A New Holland PA NHLDPAXNRS1  0168 FRONTIER COMMUNICATIONS OF PENNSYLVANIA, LLC 226      

Last updated: Tue, 30 May 2023 01:08:39 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.