Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-534 A Orange CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
657-534 0 Orange CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-01-16   
657-534 1 Orange CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-01-16   
657-534 2 Orange CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-01-16   
657-534 3 Orange CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-01-16   
657-534 4 Orange CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2022-01-16   
657-534 5 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-01-16   
657-534 6 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-01-16   
657-534 7 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-01-16   
657-534 8 Orange CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-01-16   
657-534 9 Orange CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-01-15   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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