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.

Avalon, CA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
424-377 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-03-12   
424-377 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-03-12   
424-377 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-03-12   
424-377 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-28   
424-377 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-28   
424-377 9 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-02   
424-432 A LSANCARCY2X  597F VOIP INNOVATIONS, LLC 730      
424-432 0 LSANCAJW6MD  073H TELNYX LLC 730   2019-09-16   
424-432 1 LSANCARCY2X  597F VOIP INNOVATIONS, LLC 730   2019-09-15   
424-432 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-12   
424-432 3 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-07-19   
424-432 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-08   
424-432 6 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-07   
424-432 7 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-07   
424-432 8 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-11-20   
424-432 9 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-02-15   
424-738 A ANHMCA01XEY  516C AT&T CORP. 730      
424-738 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-01-09   
424-738 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-05-27   
424-738 2 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2012-06-23   
424-738 3 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-06-16   
424-738 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-30   
424-738 5 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-25   
424-738 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-12-02   
424-738 7 ANHMCA01XEY  516C AT&T CORP. 730   2010-01-28   
424-738 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2011-03-04   
424-738 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-12-10   
424-855 A LSANCAJWIMD  965H FRACTEL, LLC 730      
424-855 0 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-08-13   
424-855 1 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-08-13   
424-855 5 LSANCAJWIMD  965H FRACTEL, LLC 730   2022-07-11   
424-855 8 LSANCARC32Z  073H TELNYX LLC 730   2023-05-27   
424-855 9 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2022-07-22   

<< 1 2

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.