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.

Switch: GDISNENWPMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-258 8 Grand Island NE 551G NUSO, LLC 646   2018-02-28   
308-318 A Grand Island NE 551G NUSO, LLC 646      
308-318 1 Grand Island NE 551G NUSO, LLC 646   2013-05-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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