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.
NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
680-344 A Clinton NY   136   2025-09-05   
680-344 1 Clinton NY   136   2025-09-05   
716-814 A Ellington NY   140   2025-09-05   
716-814 1 Ellington NY   140   2025-09-05   
838-939 A Putnam NY   134   2025-09-05   
838-939 1 Putnam NY   134   2025-09-05   
917-735 A New York City Zone 04 NY   132   2025-08-29   
917-735 1 New York City Zone 04 NY   132   2025-08-29   
929-646 A New York City Zone 05 NY   132   2025-09-05   
929-646 1 New York City Zone 05 NY   132   2025-09-05   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.