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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Yulee, FL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
904-986 6   624H ONVOY SPECTRUM, LLC 45204   2025-06-14   
904-986 7   624H ONVOY SPECTRUM, LLC 45204   2025-06-14   
904-986 8   624H ONVOY SPECTRUM, LLC 45204   2025-06-14   
904-986 9   624H ONVOY SPECTRUM, LLC 45204   2025-06-14   

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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