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.

Fullerton, CA

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
657-681 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-681 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-681 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-681 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-681 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-681 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-27   
657-681 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-27   
657-681 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-27   
657-681 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-27   
657-706 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-706 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-27   
657-706 1 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-28   
657-706 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-02-18   
657-706 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-03-23   
657-706 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-04-22   
657-706 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-27   
657-706 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-01-17   
657-706 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-27   
657-706 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-01-17   
657-706 9 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-28   
657-749 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-749 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-05   
657-751 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-07-13   
657-751 0 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-11-01   
657-751 1 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-11-01   
657-751 2 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-11-01   
657-751 3 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-11-01   
657-751 4 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-11-01   
657-751 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-18   
657-751 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-09-09   
657-751 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-07-13   
657-751 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-07-13   
657-767 A LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
657-767 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-03   
657-767 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-03   
657-767 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-03   
657-767 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-03   
657-767 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-03   
657-767 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-10-16   
657-767 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-11-12   
657-767 7 LSANCAJWRMD  026K BARR TELL USA, LLC 730   2022-06-24   

<< 1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.