Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]

NXX: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-224 A Atwater CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-07-20   
350-224 0 Atwater CA   6529 T-MOBILE USA, INC. 738   2024-11-16   
350-224 1 Atwater CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 738   2024-08-13   
350-224 2 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-06-20   
350-224 3 Atwater CA   6529 T-MOBILE USA, INC. 738   2024-09-15   
350-224 5 Atwater CA   6529 T-MOBILE USA, INC. 738   2024-09-15   
350-224 6 Atwater CA   6529 T-MOBILE USA, INC. 738   2024-09-15   
350-224 7 Atwater CA   6529 T-MOBILE USA, INC. 738   2024-07-21   
350-224 8 Atwater CA   6529 T-MOBILE USA, INC. 738   2024-07-21   
350-224 9 Atwater CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-07-20   

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

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