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.
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Switch: CHVLVAXA22Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
434-340 A Charlottesville VA 490J BOOST SUBSCRIBERCO L.L.C. 928      
434-340 9 Charlottesville VA 490J BOOST SUBSCRIBERCO L.L.C. 928   2023-08-18   
434-490 2 Charlottesville VA 490J BOOST SUBSCRIBERCO L.L.C. 928   2025-06-30   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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