Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-676 8 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-676 9 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-677 A Orange CA LSANCAJWIMD  965H FRACTEL, LLC 730      
657-677 0 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-01   
657-677 1 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-01   
657-677 2 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-01   
657-677 3 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-07-28   
657-677 4 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-07-28   
657-677 5 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-07-28   
657-677 6 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-07-28   
657-677 7 Orange CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-07-27   
657-677 8 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-07-28   
657-677 9 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-07-28   
657-678 A Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
657-678 0 Anaheim CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-16   
657-678 1 Anaheim CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2023-11-02   
657-678 2 Anaheim CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2023-11-02   
657-678 3 Anaheim CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2023-11-02   
657-678 4 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-03-21   
657-678 5 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-678 6 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-678 7 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-678 8 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-678 9 Anaheim CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-679 A Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
657-679 0 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-679 1 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-679 2 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-22   
657-679 3 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-10   
657-679 4 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-20   
657-679 5 Garden Grove CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-679 6 Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-29   
657-679 7 Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-29   
657-679 8 Garden Grove CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-12   
657-679 9 Garden Grove CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-10-13   
657-680 A Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-680 0 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-10   
657-680 1 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-20   
657-680 2 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-11-06   
657-680 3 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-15   
657-680 4 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-15   
657-680 5 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-11-06   
657-680 6 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-11-06   
657-680 7 Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2023-11-06   
657-680 8 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-20   
657-680 9 Santa Ana CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
657-681 A Fullerton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
657-681 0 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-681 1 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   
657-681 2 Fullerton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-30   

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

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