Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-242 A Richmond CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-01-12   
341-242 0 Richmond CA   939H COMMIO, LLC 722   2024-01-20   
341-242 1 Richmond CA   939H COMMIO, LLC 722   2024-01-20   
341-242 2 Richmond CA   939H COMMIO, LLC 722   2024-01-20   
341-242 3 Richmond CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-02-16   
341-242 4 Richmond CA   649C ONVOY, LLC - CA 722   2024-03-08   
341-242 5 Richmond CA   649C ONVOY, LLC - CA 722   2024-03-08   
341-242 6 Richmond CA   6529 T-MOBILE USA, INC. 722   2024-01-12   
341-242 7 Richmond CA   6529 T-MOBILE USA, INC. 722   2024-01-12   
341-242 8 Richmond CA   6529 T-MOBILE USA, INC. 722   2024-01-12   
341-242 9 Richmond CA   6529 T-MOBILE USA, INC. 722   2024-01-12   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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