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.

Cody, NE

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
402-823 A CODYNERDRS1  1577 GREAT PLAINS COMMUNICATIONS, INC. 644      
402-823 4 CODYNERDRS1  1577 GREAT PLAINS COMMUNICATIONS, INC. 644      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.