Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 369 [Rate centres in NPA 369] [Dial plan for NPA 369]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
369-777 A Sonoma CA SNFCCA21XCZ  252F WIDE VOICE, LLC - CA 722      
369-777 0 Sonoma CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-10   
369-777 1 Sonoma CA OKLECAZV1MD  5562 METROPCS, INC. 722   2023-09-24   
369-777 2 Sonoma CA   145J TERRA NOVA TELECOM INC. 722   2025-10-04   
369-777 3 Sonoma CA   624H ONVOY SPECTRUM, LLC 722   2025-01-30   
369-777 4 Sonoma CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-10   
369-777 7 Sonoma CA SNFCCA21XCZ  252F WIDE VOICE, LLC - CA 722   2023-09-17   
369-777 8 Sonoma CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-05-16   
369-777 9 Sonoma CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2023-12-15   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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