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: JCVLFLCL88Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
904-431 A Jacksonville FL 197D VONAGE AMERICA LLC 45204      
904-481 A St Johns FL 197D VONAGE AMERICA LLC 45204      
904-496 A Jacksonville FL 197D VONAGE AMERICA LLC 45204      

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

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