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: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-201 A Luther OK OKCYOKCE06Z  321J HD CARRIER LLC 536      
572-201 0 Luther OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2022-02-21   
572-201 1 Luther OK   409F ONVOY, LLC - OK 536   2023-07-24   
572-201 2 Luther OK   409F ONVOY, LLC - OK 536   2023-03-31   
572-201 8 Luther OK   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
572-201 9 Luther OK   321J HD CARRIER LLC 536   2021-12-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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