Local Calling Guide

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

NXX: 774

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-774 A Orange CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   
657-774 0 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 1 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 2 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 3 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 4 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 5 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 6 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 7 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
657-774 8 Orange CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   
657-774 9 Orange CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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