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: SYRCNYSUZMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-801 A Utica NY 7140 TC SYSTEMS, INC. - NY 136      
607-491 A Dryden NY 7140 TC SYSTEMS, INC. - NY 136   2024-04-18   
680-224 A De Ruyter NY 7140 TC SYSTEMS, INC. - NY 136      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.