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: DNTNNYXARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
845-374 A Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 1 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 2 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 3 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 4 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 5 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 6 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 7 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 8 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      
845-374 9 Denton NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 133      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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