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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NPA: 434 [Rate centres in NPA 434] [Dial plan for NPA 434]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
434-458 A Danville VA   138E ONVOY, LLC - VA 250   2026-08-29   
434-458 0 Danville VA   138E ONVOY, LLC - VA 250   2026-08-29   
434-458 1 Danville VA   138E ONVOY, LLC - VA 250   2026-08-31   
434-458 8 Danville VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 250   2026-09-11   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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