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: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
434-503 A Emporia VA RCMDVAITX1Y  515J IP HORIZON LLC 248   2025-01-16   
434-503 0 Emporia VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 248   2026-05-12   
434-503 1 Emporia VA RCMDVAITX1Y  515J IP HORIZON LLC 248   2025-01-16   
434-503 2 Emporia VA RCMDVAITX1Y  515J IP HORIZON LLC 248   2025-01-16   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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