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: 223

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-223 A Yukon OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
572-223 0 Yukon OK   409F ONVOY, LLC - OK 536   2024-02-29   
572-223 1 Yukon OK   409F ONVOY, LLC - OK 536   2024-02-29   
572-223 2 Yukon OK   409F ONVOY, LLC - OK 536   2023-10-22   
572-223 4 Yukon OK   490J DISH WIRELESS, LLC 536   2024-09-13   
572-223 6 Yukon OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2024-09-29   
572-223 7 Yukon OK   409F ONVOY, LLC - OK 536   2024-07-08   
572-223 8 Yukon OK   409F ONVOY, LLC - OK 536   2024-07-08   
572-223 9 Yukon OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2024-03-24   

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

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