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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
408-337 A Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722      
408-337 1 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2009-08-03   
408-337 5 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2010-04-09   
408-461 2 San Martin CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2009-07-26   
408-612 4 Morgan Hill CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2011-05-13   
408-612 8 Morgan Hill CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2009-07-26   
408-767 2 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2012-07-22   
669-205 4 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2017-06-04   
669-205 5 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2017-06-04   
669-205 7 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2017-07-09   
669-239 0 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2017-10-01   
669-258 5 Morgan Hill CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2015-12-31   
669-327 5 Gilroy CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2015-11-05   
669-888 3 Morgan Hill CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2013-03-17   
831-219 5 Aptos CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2009-07-26   
831-228 A Watsonville CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722      
831-228 1 Watsonville CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2015-11-21   
831-288 A Watsonville CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722      
831-288 0 Watsonville CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2009-07-26   
831-319 4 Watsonville CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2012-08-15   
831-348 0 Watsonville CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2020-06-21   
831-854 2 Santa Cruz CA 776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2009-07-26   

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

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