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: LSVGNVXB10Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
725-313 1 Indian Springs NV 516C AT&T CORP. 721   2025-11-12   
725-351 A Sandy Valley NV 516C AT&T CORP. 721   2025-08-28   
725-351 7 Sandy Valley NV 516C AT&T CORP. 721   2025-08-28   
775-382 0 Beatty NV 516C AT&T CORP. 721   2025-11-12   
775-563 3 Pahrump NV 516C AT&T CORP. 721   2025-11-12   
775-837 1 Lathrop Wells NV 516C AT&T CORP. 721   2025-11-12   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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