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: 831

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-831 A Hastings NE HSNGNE05CM0  6874 N.E. COLORADO CELLULAR, INC. 958      
402-831 0 Hastings NE   6874 N.E. COLORADO CELLULAR, INC. 958      
402-831 1 Hastings NE   6874 N.E. COLORADO CELLULAR, INC. 958      
402-831 2 Hastings NE   6874 N.E. COLORADO CELLULAR, INC. 958   2015-12-10   
402-831 3 Hastings NE   549E ONVOY, LLC - NE 958   2021-03-13   
402-831 4 Hastings NE   549E ONVOY, LLC - NE 958   2021-03-13   
402-831 5 Hastings NE   549E ONVOY, LLC - NE 958   2024-03-02   
402-831 6 Hastings NE   549E ONVOY, LLC - NE 958   2024-03-02   
402-831 7 Hastings NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2022-08-12   
402-831 9 Hastings NE   6874 N.E. COLORADO CELLULAR, INC. 958      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.