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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: EKGVCAXGX3X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-818 3 Elk Grove CA 649C ONVOY, LLC - CA 726   2021-07-12   
916-818 5 Elk Grove CA 649C ONVOY, LLC - CA 726   2021-08-08   
916-829 7 Elk Grove CA 649C ONVOY, LLC - CA 726   2020-12-03   
916-829 8 Elk Grove CA 649C ONVOY, LLC - CA 726   2020-12-03   
916-831 7 Elk Grove CA 649C ONVOY, LLC - CA 726   2018-01-12   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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