Local Calling Guide

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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-531 A Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-531 0 Arvin CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2021-12-20   
661-531 1 Arvin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-531 2 Arvin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-531 3 Arvin CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-09-14   
661-531 4 Arvin CA BKFDCAKTX1X  939H COMMIO, LLC 734   2022-11-11   
661-531 5 Arvin CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-02-11   
661-531 6 Arvin CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2022-09-11   
661-531 7 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-12-19   
661-531 8 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-12-19   
661-531 9 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-12-19   

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

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