Local Calling Guide

Area code/prefix search

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NPA: 572 [Rate centres in NPA 572] [Dial plan for NPA 572]

NXX: 214

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-214 A Hennessey OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536      
572-214 1 Hennessey OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2023-05-16   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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