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: GDISNENWX2X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-355 A La Grange WY 6529 T-MOBILE USA, INC. 646      
308-206 A Kearney NE 6701 AERIAL COMMUNICATIONS, INC. 646      
308-224 A Kearney NE 6701 AERIAL COMMUNICATIONS, INC. 646      
308-227 A Grand Island NE 6701 AERIAL COMMUNICATIONS, INC. 646      
308-260 A Minden NE 6701 AERIAL COMMUNICATIONS, INC. 646      
308-277 A Minden NE 6701 AERIAL COMMUNICATIONS, INC. 646      
308-321 A Grand Island NE 6701 AERIAL COMMUNICATIONS, INC. 646      
308-594 A Wood River NE 6701 AERIAL COMMUNICATIONS, INC. 646      

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

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