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: LNBHCAXPXAY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
562-563 A Long Beach CA 624H ONVOY SPECTRUM, LLC 730      
562-610 A Long Beach CA 624H ONVOY SPECTRUM, LLC 730      
562-620 A Long Beach CA 624H ONVOY SPECTRUM, LLC 730      
562-710 A Norwalk CA 624H ONVOY SPECTRUM, LLC 730      

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

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