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: GDISNENWXCX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-224 9 Kearney NE 5562 METROPCS, INC. 646      
308-227 1 Grand Island NE 5562 METROPCS, INC. 646      
308-227 9 Grand Island NE 5562 METROPCS, INC. 646      
970-990 A South Big Springs CO 622J SKYE TELECOM LLC DBA SKYETEL 646      
970-990 0 South Big Springs CO 622J SKYE TELECOM LLC DBA SKYETEL 646   2021-12-02   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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