Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 572 [Rate centres in NPA 572] [Dial plan for NPA 572]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-278 A Oklahoma City OK OKCYOKCE35Z  700J WAVENATION, LLC 536   2026-02-08   
572-278 0 Oklahoma City OK OKCYOKCE35Z  700J WAVENATION, LLC 536   2026-02-08   
572-278 1 Oklahoma City OK OKCYOKCE07Z  490J BOOST SUBSCRIBERCO L.L.C. 536   2026-03-26   
572-278 2 Oklahoma City OK OKCYOKCE07Z  490J BOOST SUBSCRIBERCO L.L.C. 536   2026-07-22   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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