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: ROCHNYLNDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-228 A Warsaw NY 7140 TC SYSTEMS, INC. - NY 974      
585-269 A Rochester NY 7140 TC SYSTEMS, INC. - NY 974      
585-302 A Perry NY 7140 TC SYSTEMS, INC. - NY 974      
585-412 A Canandaigua NY 7140 TC SYSTEMS, INC. - NY 974      
585-512 A Rochester NY 7140 TC SYSTEMS, INC. - NY 974      
585-519 A Geneseo NY 7140 TC SYSTEMS, INC. - NY 974      
585-613 A Rochester NY 7140 TC SYSTEMS, INC. - NY 974      

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

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