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.

OCN: 0128 FRONTIER COMMUNICATIONS OF SYLVAN LAKE, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
845-221 A Hopewell Junction NY HPJTNYXBRS0  133      
845-223 A Hopewell Junction NY HPJTNYXBRS0  133      
845-226 A Hopewell Junction NY HPJTNYXBRS0  133      
845-227 A Hopewell Junction NY HPJTNYXBRS0  133      
845-592 A Hopewell Junction NY HPJTNYXBRS0  133      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.