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: Thu, 20 Nov 2025 13:34:34 UTC

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