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.

Switch: ROCHNYXAXQX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-215 8 Wyoming NY 515J IP HORIZON LLC 974   2024-08-24   
585-559 A Rochester NY 515J IP HORIZON LLC 974      
585-776 A Rochester NY 515J IP HORIZON LLC 974   2024-09-21   
585-776 1 Rochester NY 515J IP HORIZON LLC 974   2024-09-21   

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

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