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: CHICCA01XCX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-999 0 Redding CA 649C ONVOY, LLC - CA 724   2012-05-12   
530-999 4 Redding CA 649C ONVOY, LLC - CA 724   2012-04-30   
530-999 5 Redding CA 649C ONVOY, LLC - CA 724   2012-04-30   
530-999 7 Redding CA 649C ONVOY, LLC - CA 724   2012-04-30   
530-999 9 Redding CA 649C ONVOY, LLC - CA 724   2011-08-29   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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