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.

Homestead Valley, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
442-321 A PLSPCAXGXPX  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 973      
442-321 0 PLSPCAXGXTY  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 973   2015-07-10   
442-321 1 PLSPCA19JMD  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 973   2015-10-24   
442-321 2 PLSPCAXGXJY  073H TELNYX LLC 973   2017-04-27   
442-321 3 PLSPCAXGXPX  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 973   2014-08-15   
442-321 4 PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2016-03-21   
442-321 5 PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2016-03-21   
442-321 6 PLSPCAXGXOZ  508J CENTURYLINK COMMUNICATIONS, LLC 973   2016-01-02   
442-321 7 PLSPCAXG06Z  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 973   2015-07-09   
442-321 8 PLSPCA19JMD  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 973   2017-07-07   
442-321 9 PLSPCA19JMD  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 973   2018-10-21   
442-588 A PLSPCA19BMD  965H FRACTEL, LLC 973      
442-588 0 PLSPCAXGXSZ  624H ONVOY SPECTRUM, LLC 973   2024-05-29   
442-588 1 PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2021-08-09   
442-588 5 PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2021-03-05   
442-588 8 PLSPCA19BMD  965H FRACTEL, LLC 973   2020-11-15   
442-588 9 PLSPCA19JMD  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 973   2021-05-29   
442-683 A PLSPCA19CMD  516J TON80 COMMUNICATIONS, LLC 973      
442-683 2 PLSPCA19CMD  516J TON80 COMMUNICATIONS, LLC 973   2021-05-09   
442-683 6 PLSPCA19CMD  516J TON80 COMMUNICATIONS, LLC 973   2021-01-07   
760-364 A HMVYCAXFRS4  2319 FRONTIER CALIFORNIA INC. 973      
760-364 0 PLSPCAXGXTY  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 973   2010-08-08   
760-364 1 HMVYCAXFRS4  2319 FRONTIER CALIFORNIA INC. 973      
760-364 2 HMVYCAXFRS4  2319 FRONTIER CALIFORNIA INC. 973      
760-364 3 HMVYCAXFRS4  2319 FRONTIER CALIFORNIA INC. 973      
760-364 4 HMVYCAXFRS4  2319 FRONTIER CALIFORNIA INC. 973      
760-364 5 PLSPCAXGXTY  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 973   2005-07-26   
760-364 6 PLSPCAXGXTY  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 973   2012-12-29   
760-364 7   515J IP HORIZON LLC 973   2008-11-03   
760-364 8 PLSPCAXGXTY  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 973   2010-04-02   
760-364 9 PLSPCAXGXPY  649C ONVOY, LLC - CA 973   2014-01-09   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.