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.

Herald, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
209-260 A SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-260 0 SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-260 1 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2010-12-25   
209-260 2 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2012-12-31   
209-260 3 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2012-12-31   
209-260 4 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2012-12-31   
209-260 5 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-22   
209-260 6 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2014-03-22   
209-260 7   939H COMMIO LLC 738   2022-11-05   
209-260 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2014-09-25   
209-260 9 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2014-09-25   
209-734 A SKTNCA01XTY  4129 O1 COMMUNICATIONS, INC. - CA 738      
209-734 0 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2015-04-04   
209-734 1 SKTNCA01XTY  4129 O1 COMMUNICATIONS, INC. - CA 738      
209-734 2 SKTNCA01XTY  4129 O1 COMMUNICATIONS, INC. - CA 738      
209-734 3 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2015-06-08   
209-734 4   515J IP HORIZON LLC 738   2022-10-20   
209-734 5 SKTNCA01X6Z  516C AT&T CORP. 738   2011-08-09   
209-734 6 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-24   
209-734 7 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2011-04-21   
209-734 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-24   
209-734 9 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-22   
209-748 A HERLCA11RS0  9740 PACIFIC BELL 738      
209-748 1 HERLCA11RS0  9740 PACIFIC BELL 738      
209-748 2 HERLCA11RS0  9740 PACIFIC BELL 738      
209-748 3   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2017-09-15   
209-748 4 SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2005-08-01   
209-748 5 HERLCA11RS0  9740 PACIFIC BELL 738      
209-748 6 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-07-11   
209-748 7 SKTNCA01X7Z  508J CENTURYLINK COMMUNICATIONS LLC 738   2014-05-13   
209-748 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-08-08   
209-975 A SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738      
209-975 0   145J TERRA NOVA TELECOM INC. 738   2022-10-31   
209-975 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2022-04-02   
209-975 4 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2021-11-29   
209-975 5 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2019-03-08   
209-975 6 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2019-03-08   
209-975 7 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2009-02-23   
209-975 8 SKTNCACZ3MD  073H TELNYX LLC 738   2018-05-10   
209-975 9 SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2015-10-31   

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.