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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-238 A Piedmont OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-08-08   
572-238 0 Piedmont OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-08-08   
572-238 1 Piedmont OK OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-28   
572-238 8 Piedmont OK   409F ONVOY, LLC - OK 536   2025-05-09   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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