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.

Knights Ferry, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
209-208 A SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-208 0 SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-208 1 SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-208 2 SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-208 3 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2005-08-08   
209-208 4 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2010-08-29   
209-208 5 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2012-06-04   
209-208 6 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2012-10-08   
209-208 7 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2012-12-31   
209-208 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-23   
209-208 9 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2014-03-22   
209-783 A SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-783 0 SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2015-10-31   
209-783 1   515J IP HORIZON LLC 738      
209-783 2   515J IP HORIZON LLC 738      
209-783 3 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-09-14   
209-783 4   515J IP HORIZON LLC 738      
209-783 5 SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-08-01   
209-783 6 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-07-11   
209-783 7 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2011-05-02   
209-783 8 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2015-04-04   
209-783 9 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2015-04-04   
209-881 A KNFYCA11RS0  9740 PACIFIC BELL 738      
209-881 0 KNFYCA11RS0  9740 PACIFIC BELL 738      
209-881 1 KNFYCA11RS0  9740 PACIFIC BELL 738      
209-881 2 SKTNCACZ3MD  073H TELNYX LLC 738   2018-05-10   
209-881 3 KNFYCA11RS0  9740 PACIFIC BELL 738      
209-881 4 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-22   
209-881 5 SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2015-09-04   
209-881 6 SKTNCA01X7Z  508J CENTURYLINK COMMUNICATIONS, LLC 738   2014-05-13   
209-881 7 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2009-02-23   
209-881 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-24   
209-881 9 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-24   
350-208 A   624H ONVOY SPECTRUM, LLC 738      
350-208 1 SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.