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: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-287 A Auburn NE LNCLNEXLVMD  6263 UNITED STATES CELLULAR - NE 958      
531-287 0 Auburn NE LNCLNEXLVMD  6263 UNITED STATES CELLULAR - NE 958      
531-287 1 Auburn NE   624H ONVOY SPECTRUM, LLC 958      
531-287 5 Auburn NE   6263 UNITED STATES CELLULAR - NE 958      
531-287 6 Auburn NE   6263 UNITED STATES CELLULAR - NE 958      
531-287 7 Auburn NE   6263 UNITED STATES CELLULAR - NE 958      
531-287 8 Auburn NE   6263 UNITED STATES CELLULAR - NE 958      
531-287 9 Auburn NE   6263 UNITED STATES CELLULAR - NE 958      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.