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.

Lancaster, CA

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-470 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-07-24   
661-471 A LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
661-471 0 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-04-10   
661-471 1 NHLLCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2013-03-27   
661-471 2 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-07   
661-471 3 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-07   
661-471 4 NHLLCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2013-04-01   
661-471 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-06-11   
661-471 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-08-26   
661-471 7 LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2013-03-26   
661-471 8 SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-05-10   
661-471 9 SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-19   
661-483 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-483 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-08-23   
661-483 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-10-16   
661-483 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-08-26   
661-483 3 ANHMCAHLDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2014-08-26   
661-483 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-08-26   
661-483 5 NHLLCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2014-08-26   
661-483 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-08-26   
661-483 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-09-15   
661-483 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-09-30   
661-483 9 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-09-09   
661-488 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-488 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-05   
661-488 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-05   
661-488 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-05   
661-488 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-05   
661-488 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-05   
661-488 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-05   
661-488 6 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-29   
661-488 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-18   
661-488 8 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-07-10   
661-488 9 LSANCARCD4S  973E RACE TELECOMMUNICATIONS, INC. - CA 730   2016-11-20   
661-492 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-492 9 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-494 A ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-494 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-03-05   
661-494 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-11-25   
661-494 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-07-21   
661-494 3 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-12-15   
661-494 4 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-03-06   
661-494 5 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-28   
661-494 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-03-05   
661-494 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-03-05   
661-494 8 SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-01-25   
661-494 9 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-11-22   
661-499 A LSANCARC86Z  996H AIRESPRING, INC. 730      
661-499 0 LSANCARC86Z  996H AIRESPRING, INC. 730   2020-07-10   
661-499 1 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-22   
661-499 2 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-22   
661-499 3 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-22   
661-499 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-07   
661-499 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-10-16   
661-499 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-08-11   
661-499 7 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-02-02   
661-499 8 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-01-18   
661-499 9 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-20   
661-522 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-522 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-04-09   
661-522 1 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-04-10   
661-522 2 ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-04-10   
661-522 3 SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-06-04   
661-522 4 SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-08-20   
661-522 5 SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-11-16   
661-522 6 LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2015-09-08   
661-522 7 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2015-09-28   
661-522 8 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2015-09-28   
661-522 9   515J IP HORIZON LLC 730   2015-09-19   
661-524 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-524 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-07-11   
661-524 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-01-20   
661-524 2 NHLLCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2008-08-22   
661-524 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-03-06   
661-524 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-07-12   
661-524 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-01-15   
661-524 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-01-15   
661-524 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-04-30   
661-524 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-06   
661-524 9 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2015-06-16   
661-547 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 0 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-547 9 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      

<< 1 2 3 4 5 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.