Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-661 A Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-661 0 Pacifica CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-09-10   
650-661 1 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-04-27   
650-661 4 Pacifica CA   649C ONVOY, LLC - CA 722   2025-10-26   
650-661 5 Pacifica CA   649C ONVOY, LLC - CA 722   2025-09-27   
650-661 6 Pacifica CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-14   
650-661 7 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2023-11-09   
650-661 8 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2023-11-09   
650-661 9 Pacifica CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2023-07-10   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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