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.

Arlington, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
951-731 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-24   
951-731 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-11   
951-731 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-10-16   
951-731 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-06-24   
951-731 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-11-08   
951-731 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-11-08   
951-731 6   6529 T-MOBILE USA, INC. 730   2026-02-05   
951-731 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-10-05   
951-731 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-09-10   
951-731 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-08-12   
951-762 A   6529 T-MOBILE USA, INC. 730   2025-05-18   
951-762 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-19   
951-762 2   624H ONVOY SPECTRUM, LLC 730   2025-05-19   
951-762 3   624H ONVOY SPECTRUM, LLC 730   2025-05-19   
951-762 4   624H ONVOY SPECTRUM, LLC 730   2025-05-19   
951-762 5   6529 T-MOBILE USA, INC. 730   2026-02-05   
951-762 6   6529 T-MOBILE USA, INC. 730   2025-05-18   
951-762 7   6529 T-MOBILE USA, INC. 730   2025-05-18   
951-762 8   6529 T-MOBILE USA, INC. 730   2025-05-18   
951-762 9   6529 T-MOBILE USA, INC. 730   2025-05-18   
951-772 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-772 0 ANHMCA01XEY  516C AT&T CORP. 730   2015-05-26   
951-772 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-09-23   
951-772 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-09-23   
951-772 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-06-05   
951-772 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-06-05   
951-772 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-06-05   
951-772 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-06-05   
951-772 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-06-05   
951-772 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-05-21   
951-772 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-05-21   
951-785 A ARTNCA11DS0  9740 PACIFIC BELL 730      
951-792 A   6529 T-MOBILE USA, INC. 730   2025-08-15   
951-792 0   649C ONVOY, LLC - CA 730   2025-10-26   
951-792 1   649C ONVOY, LLC - CA 730   2025-11-09   
951-792 2   6529 T-MOBILE USA, INC. 730   2026-02-05   
951-792 3   6529 T-MOBILE USA, INC. 730   2026-02-05   
951-792 4   6529 T-MOBILE USA, INC. 730   2026-02-05   
951-792 5   6529 T-MOBILE USA, INC. 730   2026-02-05   
951-792 6   6529 T-MOBILE USA, INC. 730   2025-08-15   
951-792 7   6529 T-MOBILE USA, INC. 730   2025-08-15   
951-792 8   6529 T-MOBILE USA, INC. 730   2025-08-15   
951-792 9   6529 T-MOBILE USA, INC. 730   2025-08-15   
951-840 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-840 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
951-840 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-06-19   
951-840 2 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2006-08-19   
951-840 3 LSANCAJWHMD  145J TERRA NOVA TELECOM INC. 730   2024-12-30   
951-840 4 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-03-13   
951-840 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

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

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.