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: CHMGNYXADS0

Remotes:

Switch Switch name Switch type
LCWDNYXARS0  LOCKWOOD  1RE 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
607-529 A Chemung NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 138      
607-529 1 Chemung NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 138      
607-529 3 Chemung NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 138      
607-529 6 Chemung NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 138      
607-529 8 Chemung NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 138      
607-529 9 Chemung NY 0096 CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY 138      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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