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: CHRTNYXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
518-494 A Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 0 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 1 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 2 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 3 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 4 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 5 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 6 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 7 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      
518-494 9 Chestertown NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 134      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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