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: HCKRVAXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
757-421 A Norfolk Zone 6 VA 0233 VERIZON SOUTH, INC. - VA (CONTEL) 252      
757-432 A Norfolk Zone 6 VA 0233 VERIZON SOUTH, INC. - VA (CONTEL) 252      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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