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: NRFLVAJYEMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
757-996 A Norfolk Zone 1 VA 321J HD CARRIER LLC 252      
757-996 8 Norfolk Zone 1 VA 321J HD CARRIER LLC 252   2020-11-20   
757-996 9 Norfolk Zone 1 VA 321J HD CARRIER LLC 252   2020-11-20   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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