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: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-242 A Julian NE JULNNEXLRS0  1568 WINDSTREAM NEBRASKA, INC. 958      
402-242 0 Julian NE   549E ONVOY, LLC - NE 958   2021-03-19   
402-242 1 Julian NE   1568 WINDSTREAM NEBRASKA, INC. 958      
402-242 2 Julian NE   1568 WINDSTREAM NEBRASKA, INC. 958      
402-242 3 Julian NE   549E ONVOY, LLC - NE 958   2020-03-07   
402-242 4 Julian NE   549E ONVOY, LLC - NE 958   2019-04-18   
402-242 5 Julian NE   549E ONVOY, LLC - NE 958   2020-03-07   
402-242 6 Julian NE   549E ONVOY, LLC - NE 958   2020-06-15   
402-242 7 Julian NE   508J CENTURYLINK COMMUNICATIONS, LLC 958   2014-07-25   
402-242 8 Julian NE   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 958   2020-06-10   
402-242 9 Julian NE   1568 WINDSTREAM NEBRASKA, INC. 958      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.