Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 234 [Rate centres in NPA 234] [Dial plan for NPA 234]

NXX: 451

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
234-451 A Warren OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2025-05-10   
234-451 0 Warren OH   490J BOOST SUBSCRIBERCO L.L.C. 322   2025-07-06   
234-451 3 Warren OH   321J HD CARRIER LLC 322   2026-02-20   
234-451 4 Warren OH   321J HD CARRIER LLC 322   2026-02-20   
234-451 5 Warren OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2026-01-11   
234-451 6 Warren OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2026-01-11   
234-451 7 Warren OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2025-05-10   
234-451 8 Warren OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2025-05-10   
234-451 9 Warren OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 322   2025-05-10   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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