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.
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Switch: ROCHNYCT0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-282 A Fairport NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974      
585-358 A Henrietta NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974      
585-397 A Rochester NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974      
585-441 A Rochester NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974      
585-456 A Rochester NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974      
585-625 A Rochester NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974   2025-01-10   
585-751 A Mount Morris NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974   2024-09-13   
585-957 A Rochester NY 7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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