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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-254 A Oakland: Berkeley DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-10-31   
341-254 0 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-20   
341-254 2 Oakland: Berkeley DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-02-13   
341-254 3 Oakland: Berkeley DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-03-23   
341-254 4 Oakland: Berkeley DA CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-11-01   
341-254 5 Oakland: Berkeley DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2024-11-01   
341-254 6 Oakland: Berkeley DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2024-11-19   
341-254 9 Oakland: Berkeley DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-10-31   

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

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