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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-637 A Omaha NE OMAHNECEDS0  9631 QWEST CORPORATION 644      
402-637 0 Omaha NE OMAHNECEDS0  9631 QWEST CORPORATION 644      
402-637 1 Omaha NE OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2009-02-05   
402-637 2 Omaha NE OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2009-02-05   
402-637 3 Omaha NE OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2008-12-17   
402-637 4 Omaha NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2007-03-29   
402-637 5 Omaha NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2004-10-18   
402-637 6 Omaha NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2004-10-18   
402-637 7 Omaha NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2004-10-18   
402-637 8 Omaha NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2004-10-18   
402-637 9 Omaha NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2004-10-18   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.