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: 265

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-265 A El Sobrante-Pinole CA   6529 T-MOBILE USA, INC. 722   2026-01-23   
341-265 7 El Sobrante-Pinole CA   6529 T-MOBILE USA, INC. 722   2026-01-23   
341-265 8 El Sobrante-Pinole CA   6529 T-MOBILE USA, INC. 722   2026-01-23   
341-265 9 El Sobrante-Pinole CA   6529 T-MOBILE USA, INC. 722   2026-01-23   

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

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