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: RENONV034MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
775-376 A Reno NV 516C AT&T CORP. 720      
775-387 A Cottonwood Creek NV 516C AT&T CORP. 720      
775-464 A Austin NV 516C AT&T CORP. 720      
775-501 A Reno NV 516C AT&T CORP. 720      
775-568 A Winnemucca NV 516C AT&T CORP. 720   2025-01-22   
775-644 A Baker NV 516C AT&T CORP. 720      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.