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.

NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-663 A Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-663 0 Buena Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-11-21   
657-663 1 Buena Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-11-21   
657-663 2 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-11-20   
657-663 3 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-11-20   
657-663 4 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-11-20   
657-663 5 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-11-21   
657-663 6 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-11-21   
657-663 7 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-11-21   
657-663 8 Buena Park CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-01-22   
657-663 9 Buena Park CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-01-01   
657-664 A Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-664 0 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 1 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 2 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-664 3 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-664 4 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 5 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-12   
657-664 6 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-01-05   
657-664 7 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-664 8 Silverado CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-08-09   
657-664 9 Silverado CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-19   
657-665 A Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-665 0 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 1 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 2 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 3 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 4 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 5 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 6 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 7 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 8 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-665 9 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-666 A Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2024-01-23   
657-666 0 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-31   
657-666 1 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-11-12   
657-666 2 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-20   
657-666 3 Westminster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-11-27   
657-666 4 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-26   
657-666 5 Westminster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-26   
657-666 6 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2010-11-11   
657-666 7 Westminster CA ANHMCA01DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2010-12-09   
657-666 8 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2013-09-22   
657-666 9 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2012-06-03   
657-667 A Garden Grove CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
657-667 0 Garden Grove CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
657-667 1 Garden Grove CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-08-23   
657-667 2 Garden Grove CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-08-23   
657-667 3 Garden Grove CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-08-23   
657-667 4 Garden Grove CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-08-23   
657-667 5 Garden Grove CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2013-11-30   
657-667 6 Garden Grove CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-12-20   
657-667 7 Garden Grove CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-09-21   
657-667 8 Garden Grove CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-08-23   
657-667 9 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-09-04   
657-668 A Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
657-668 0 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 1 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 2 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 3 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 4 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 5 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 6 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 7 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 8 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-668 9 Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-27   
657-669 A Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-669 0 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
657-669 1 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
657-669 2 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
657-669 3 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
657-669 4 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
657-669 5 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
657-669 6 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
657-669 7 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-05-08   
657-669 8 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-05-08   
657-669 9 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-05-08   
657-670 A Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2024-01-23   
657-670 0 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-670 1 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-12   
657-670 2 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-10-16   
657-670 3 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-06-11   
657-670 4 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-06-11   
657-670 5 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-10-16   
657-670 6 Westminster CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-10-16   
657-670 7 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2023-10-11   
657-670 8 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-09-10   
657-670 9 Westminster CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2023-07-13   
657-671 A Brea CA LSANCAJW7MD  939H COMMIO, LLC 730      
657-671 0 Brea CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-12   
657-671 1 Brea CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-12   
657-671 2 Brea CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-12   
657-671 3 Brea CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-12   
657-671 4 Brea CA LSANCAJW7MD  939H COMMIO, LLC 730   2023-10-12   
657-671 5 Brea CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-20   
657-671 6 Brea CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-20   
657-671 7 Brea CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-01-22   
657-671 8 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-28   
657-671 9 Brea CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-12-21   
657-672 A Anaheim CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.