Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 346 [Rate centres in NPA 346] [Dial plan for NPA 346]

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
346-858 A Cleveland TX   515J IP HORIZON LLC 560   2025-04-03   
346-858 0 Cleveland TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-08-15   
346-858 1 Cleveland TX   515J IP HORIZON LLC 560   2025-04-03   
346-858 2 Cleveland TX   515J IP HORIZON LLC 560   2025-04-03   
346-858 3 Cleveland TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-07-02   
346-858 4 Cleveland TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-07-02   
346-858 7 Cleveland TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2025-08-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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