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.

Pittsburg West, CA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-517 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-11   
925-517 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-18   
925-517 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-18   
925-517 9   515J IP HORIZON LLC 722   2016-09-15   
925-643 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-643 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-643 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-09   
925-643 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-09-22   
925-643 3 FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-18   
925-643 4 SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
925-643 5 SNFCCA01XGX  516C AT&T CORP. 722   2007-02-19   
925-643 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
925-643 7 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2015-02-02   
925-643 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-12-05   
925-643 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-664 A OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-664 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-664 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-08-18   
925-664 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-11-26   
925-664 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-08-18   
925-664 4 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-07-24   
925-664 5 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-04-19   
925-664 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-01-27   
925-664 7 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-04-17   
925-664 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-04-17   
925-664 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-07-21   
925-709 A PSBGCA11DS0  9740 PACIFIC BELL 722      
925-709 0 PSBGCA11DS0  9740 PACIFIC BELL 722      
925-709 1 PSBGCA11DS0  9740 PACIFIC BELL 722      
925-709 2 PSBGCA11DS0  9740 PACIFIC BELL 722      
925-709 3 PSBGCA11DS0  9740 PACIFIC BELL 722      
925-709 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-14   
925-709 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-08-27   
925-709 6 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
925-709 7 SNJUCACL3MD  073H TELNYX LLC 722   2017-08-04   
925-709 8 PSBGCA11DS0  9740 PACIFIC BELL 722      
925-709 9   145J TERRA NOVA TELECOM INC. 722   2021-01-08   

<< 1 2

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.