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: SNATCAXFDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-897 A San Antonio CA 2315 GLOBAL VALLEY NETWORKS 722      
408-897 0 San Antonio CA 2315 GLOBAL VALLEY NETWORKS 722      
408-897 3 San Antonio CA 2315 GLOBAL VALLEY NETWORKS 722      
408-897 9 San Antonio CA 2315 GLOBAL VALLEY NETWORKS 722      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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