Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 472

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-472 A Seminole OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
572-472 0 Seminole OK   409F ONVOY, LLC - OK 536   2023-07-24   
572-472 1 Seminole OK   409F ONVOY, LLC - OK 536   2025-04-12   
572-472 2 Seminole OK   409F ONVOY, LLC - OK 536   2023-04-28   
572-472 3 Seminole OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2025-07-19   
572-472 4 Seminole OK   409F ONVOY, LLC - OK 536   2023-04-28   
572-472 5 Seminole OK   409F ONVOY, LLC - OK 536   2023-04-28   
572-472 6 Seminole OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2026-01-17   
572-472 9 Seminole OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2024-03-24   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.