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
951-332 A RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730      
951-332 0 RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-03-31   
951-332 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-07-17   
951-332 2 RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2011-04-10   
951-332 3 IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2005-07-08   
951-332 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-09-25   
951-332 5 IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2014-04-17   
951-332 6 RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2008-04-26   
951-332 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-19   
951-332 8 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-30   
951-332 9 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-30   
951-360 A PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 A PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 0 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 1 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 2 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 3 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 4 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 5 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 6 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 7 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-361 8   145J TERRA NOVA TELECOM INC. 730   2021-04-28   
951-361 9 PDLYCA11DS0  9740 PACIFIC BELL 730      
951-362 A LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-362 0 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-362 1 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-362 2 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2017-12-09   
951-362 3 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2018-02-27   
951-362 4 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2017-12-09   
951-362 5 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-362 6 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-362 7 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-362 8 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-362 9 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
951-416 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-416 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-10-22   
951-416 1 RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2017-06-11   
951-416 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2017-05-06   
951-416 3 LSANCAJW6MD  073H TELNYX LLC 730   2017-06-16   
951-416 4 SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2016-10-23   
951-416 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-12-28   
951-416 6 LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
951-416 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-06-25   
951-416 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-10-23   
951-416 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-12-07   
951-456 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-456 0 ANHMCA01XEY  516C AT&T CORP. 730   2015-04-21   
951-456 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-06-01   
951-456 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-06-01   
951-456 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-14   
951-456 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-14   
951-456 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-02-25   
951-456 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-08-14   
951-456 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-04-14   
951-456 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-05-07   
951-456 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-03-13   
951-507 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-507 0 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-05-10   
951-507 1 LSANCARC32Z  073H TELNYX LLC 730   2021-02-26   
951-507 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-12-03   
951-507 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-07   
951-507 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-03-13   
951-507 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2021-02-07   
951-507 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-03-15   
951-507 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-03-15   
951-507 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-02-07   
951-507 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-11-16   
951-608 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-608 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-05-18   
951-608 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-03-05   
951-608 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-09-11   
951-608 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-26   
951-608 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-10-19   
951-608 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-11   
951-608 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-01-01   
951-608 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-09-14   
951-608 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-09-10   
951-608 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-01   
951-622 A LSANCAJWIMD  965H FRACTEL, LLC 730      
951-622 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-12-17   
951-622 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-12-16   
951-622 2 LSANCAJWIMD  965H FRACTEL, LLC 730   2021-11-25   
951-622 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-07-09   
951-622 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-23   
951-622 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-06-06   
951-622 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-01-18   
951-622 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-01-18   
951-622 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-01-18   
951-622 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-12-29   
951-681 A PDLYCA11DS0  9740 PACIFIC BELL 730      
951-685 A PDLYCA11DS0  9740 PACIFIC BELL 730      
951-703 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-703 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-06-03   
951-703 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-06-03   
951-703 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-03-29   
951-703 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-03   
951-703 4 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2011-11-11   
951-703 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-04-30   
951-703 6 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-08-29   
951-703 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-05-21   

1 2 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.