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: GDISNENWXBX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-207 A Chadron NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-225 A Scottsbluff NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-230 A Kimball NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-240 A Kearney NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-250 A Sidney NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-353 A Grant NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-370 A Grand Island NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-464 A Ogallala NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-629 A Alliance NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-637 A Scottsbluff NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-640 A Gothenburg NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-650 A North Platte NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-651 A Lexington NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-770 A Oshkosh NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-883 A Imperial NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-890 A Chappell NE 6874 N.E. COLORADO CELLULAR, INC. 646      
308-947 A Central City NE 6874 N.E. COLORADO CELLULAR, INC. 646      

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

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