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.

Tracy, CA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
209-407 0 SKTOCAOY6MD  5562 METROPCS, INC. 738   2011-12-10   
209-407 1 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2011-12-11   
209-407 2 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2011-12-11   
209-407 3 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2011-10-29   
209-407 4 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2011-12-11   
209-407 5 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2012-03-08   
209-407 6 SKTNCA01XNY  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 738   2012-10-09   
209-407 7 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2012-08-27   
209-407 8 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2014-01-03   
209-407 9 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2012-05-04   
209-597 A SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738      
209-597 0 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2009-09-25   
209-597 1 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2009-09-28   
209-597 2 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2009-12-23   
209-597 3 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2010-09-30   
209-597 4 SKTOCAOY6MD  5562 METROPCS, INC. 738   2011-03-03   
209-597 5 SKTNCA01X6Z  516C AT&T CORP. 738   2010-04-19   
209-597 6 SKTOCAOY6MD  5562 METROPCS, INC. 738   2011-03-03   
209-597 7 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2011-02-05   
209-597 8 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2011-04-01   
209-597 9 SKTOCAOY6MD  5562 METROPCS, INC. 738   2010-02-12   
209-627 A SKTNCA01XNZ  515J IP HORIZON LLC 738      
209-627 0 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2008-11-19   
209-627 1   515J IP HORIZON LLC 738      
209-627 2   515J IP HORIZON LLC 738      
209-627 3 SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2008-11-15   
209-627 4 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2012-12-31   
209-627 5 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2005-03-10   
209-627 6 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2005-03-10   
209-627 7 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2007-02-18   
209-627 8 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2007-02-18   
209-627 9 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2007-05-13   
209-637 A SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      
209-637 0 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2017-01-20   
209-637 1 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2016-10-11   
209-637 2 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-26   
209-637 3 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2015-12-28   
209-637 4 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2016-02-26   
209-637 5 SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2015-10-12   
209-637 6 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2015-10-10   
209-637 7 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2015-07-19   
209-637 8 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2016-04-03   
209-637 9 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2015-07-12   
209-640 A SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-640 0 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-640 1 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-640 2 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2005-10-06   
209-640 3 SKTOCAOY6MD  5562 METROPCS, INC. 738   2006-12-27   
209-640 4 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2006-07-07   
209-640 5 SKTOCAOY6MD  5562 METROPCS, INC. 738   2007-07-27   
209-640 6 SKTOCAOY6MD  5562 METROPCS, INC. 738   2008-07-13   
209-640 7 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2004-11-13   
209-640 8 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2007-08-16   
209-640 9 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-650 A SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738      
209-650 0 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2014-06-15   
209-650 1 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2014-06-15   
209-650 2 SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2014-06-05   
209-650 3 SKTNCA01XJY  981E BANDWIDTH.COM CLEC, LLC - CA 738   2014-06-15   
209-650 4 SKTNCA01XXZ  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 738   2014-06-06   
209-650 5 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2014-09-11   
209-650 6 SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2014-10-02   
209-650 7 SKTNCA01X7Z  508J CENTURYLINK COMMUNICATIONS, LLC 738   2014-06-06   
209-650 8 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2014-10-27   
209-650 9 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2014-11-08   
209-654 A SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-654 0 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 1 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 2 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 3 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 4 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 5 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 6 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 7 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-654 9 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2023-11-03   
209-666 A SKTNCA01XFY  649C ONVOY, LLC - CA 738      
209-666 0 SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2014-04-11   
209-666 1 SKTNCA01X6Z  516C AT&T CORP. 738   2014-04-04   
209-666 2 SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2013-09-19   
209-666 3 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-26   
209-666 4 SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2014-04-13   
209-666 5 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2013-11-12   
209-666 6 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2012-11-15   
209-666 7 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2013-09-12   
209-666 8 SKTNCA01X6Y  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 738   2013-10-05   
209-666 9 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2013-03-23   
209-699 A SKTNCACZ8MD  965H FRACTEL, LLC 738      
209-699 0 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2020-08-05   
209-699 1 SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2020-10-12   
209-699 2 SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2021-06-21   
209-699 3 SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2020-10-12   
209-699 4 SKTNCA01XPZ  318J COMCAST IP PHONE, LLC 738   2020-10-12   
209-699 5 SKTNCA01XIZ  073H TELNYX LLC 738   2020-11-23   
209-699 6 SKTNCACZDS2  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2020-10-24   
209-699 7 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-07-12   
209-699 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2021-07-12   
209-699 9 SKTNCACZ8MD  965H FRACTEL, LLC 738   2020-07-24   
209-740 A SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738      
209-740 0 SKTOCAOY6MD  5562 METROPCS, INC. 738   2004-04-10   

<< 1 2 3 4 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.