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: 402 [Rate centres in NPA 402] [Dial plan for NPA 402]

NXX: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-406 A Friend NE LNCLNEXLXOX  508J CENTURYLINK COMMUNICATIONS, LLC 958      
402-406 1 Friend NE LNCLNEXLX2Y  624H ONVOY SPECTRUM, LLC 958   2024-03-09   
402-406 2 Friend NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-04-13   
402-406 3 Friend NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-13   
402-406 4 Friend NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2019-04-18   
402-406 7 Friend NE LNCLNEXLXOX  508J CENTURYLINK COMMUNICATIONS, LLC 958   2014-08-24   
402-406 8 Friend NE LNCLNEXLXFX  549E ONVOY, LLC - NE 958   2021-03-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.