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: 248

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-248 A Atwater CA   6529 T-MOBILE USA, INC. 738   2025-10-12   
350-248 0 Atwater CA   649C ONVOY, LLC - CA 738   2025-10-13   
350-248 6 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-10-12   
350-248 7 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-10-12   
350-248 8 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-10-12   
350-248 9 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-10-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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