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: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-271 A O'Neill NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-271 0 O'Neill NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-271 1 O'Neill NE BLLVNEBL5MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 644      
531-271 2 O'Neill NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-271 3 O'Neill NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-271 4 O'Neill NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-271 5 O'Neill NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-271 6 O'Neill NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644      
531-271 7 O'Neill NE LYNCNEXSDS1  681A THREE RIVER COMMUNICATIONS, LLC - NE 644      
531-271 8 O'Neill NE OMAHNENWXTX  995E BANDWIDTH.COM CLEC, LLC - NE 644      
531-271 9 O'Neill NE OMAHNENWXTX  995E BANDWIDTH.COM CLEC, LLC - NE 644      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.