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: ROCHNYEIHMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-550 A Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 0 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 1 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 2 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 3 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 4 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 5 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 6 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 7 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 8 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-550 9 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-660 2 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-660 3 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      
585-660 6 Rochester NY 558C REGIONAL TELEPHONE CORPORATION - NY 974      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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