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.

Vallejo, CA

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
707-638 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-638 9 SNJUCACL4MD  939H COMMIO, LLC 722   2021-10-14   
707-641 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-641 0 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-641 1 SNFCCA01XGX  516C AT&T CORP. 722   2014-07-21   
707-641 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-24   
707-641 3 OKLECAZVGT0  5562 METROPCS, INC. 722   2009-03-23   
707-641 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-24   
707-641 5 OKLECAZVGT0  5562 METROPCS, INC. 722   2008-12-21   
707-641 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2015-02-15   
707-641 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2023-10-09   
707-641 8 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-641 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2013-12-05   
707-642 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-643 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-644 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-645 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-647 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 0 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 1 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 2 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 3 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 4 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 5 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-02-10   
707-648 7 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 8 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-648 9 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-649 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 0 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 1 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 2 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 3 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 4 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 5 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-03-05   
707-651 7 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-651 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-07-08   
707-651 9 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2009-04-30   
707-652 A VLLJCA01DS1  9740 PACIFIC BELL 722      
707-652 0 VLLJCA01DS1  9740 PACIFIC BELL 722      
707-652 1 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-02-15   
707-652 2 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-09-01   
707-652 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-11-26   
707-652 4 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-06-04   
707-652 5 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-10-28   
707-652 6 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-04-09   
707-652 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-03-29   

<< 1 2 3 4 5 6 7 8 9 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.