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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-256 A Oakland: Fruitvale DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-11-15   
341-256 0 Oakland: Fruitvale DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-12   
341-256 7 Oakland: Fruitvale DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-11-15   
341-256 8 Oakland: Fruitvale DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-11-15   
341-256 9 Oakland: Fruitvale DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-11-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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