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.

Mira Loma, CA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
951-703 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-06-18   
951-703 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2010-02-14   
951-727 A PDLYCA11DS0  9740 PACIFIC BELL 730      
951-727 0 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-727 1 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2005-02-10   
951-727 2 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-727 3 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-727 4 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2001-03-15   
951-727 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-12-10   
951-727 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2002-12-23   
951-727 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2001-01-31   
951-727 8 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-727 9 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2001-12-31   
951-749 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
951-749 0 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
951-749 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2004-12-30   
951-749 2 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-29   
951-749 3 ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2001-11-06   
951-749 4 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2005-02-10   
951-749 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-03-08   
951-749 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-31   
951-749 7 LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2013-03-13   
951-749 8 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
951-749 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-12-31   
951-752 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-12-15   
951-752 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-02-22   
951-752 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-23   
951-752 2 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2025-01-23   
951-752 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-06-14   
951-752 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-12-15   
951-790 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
951-790 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-05-26   
951-790 1 RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2006-09-09   
951-790 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-24   
951-790 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-12-05   
951-790 4 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-06-23   
951-790 5 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2014-04-12   
951-790 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-02-09   
951-790 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-02-11   
951-790 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-03-11   
951-790 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-12-22   
951-903 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-903 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-02-27   
951-903 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-07   
951-903 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-05-26   
951-903 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-903 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-903 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-19   
951-903 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-903 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-08-14   
951-903 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-903 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-934 A   515J IP HORIZON LLC 730      
951-934 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-05-19   
951-934 1   515J IP HORIZON LLC 730   2006-10-09   
951-934 2   515J IP HORIZON LLC 730   2006-10-09   
951-934 3 ANHMCA01XEY  516C AT&T CORP. 730   2007-09-14   
951-934 4 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2007-03-14   
951-934 5   649C ONVOY, LLC - CA 730   2007-01-06   
951-934 6 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-03-25   
951-934 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-05   
951-934 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-02-27   
951-934 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2018-09-18   
951-968 A ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
951-968 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-01-11   
951-968 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-11-29   
951-968 2 ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
951-968 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-06-25   
951-968 4 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-01-11   
951-968 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-11-14   
951-968 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-11-29   
951-968 7 SNBRCA01DS1  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2004-08-02   
951-968 8 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2005-02-10   
951-968 9 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2005-02-10   

<< 1 2

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.