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: BRYNTXEH00Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
979-309 1 High Hill TX 490J BOOST SUBSCRIBERCO L.L.C. 570   2024-02-23   
979-355 A Bryan-College Station TX 490J BOOST SUBSCRIBERCO L.L.C. 570      
979-355 9 Bryan-College Station TX 490J BOOST SUBSCRIBERCO L.L.C. 570   2023-11-10   
979-386 0 Weimar TX 490J BOOST SUBSCRIBERCO L.L.C. 570   2024-02-23   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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