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

NXX: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-997 A Kingfisher OK   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2025-12-15   
572-997 0 Kingfisher OK   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2025-12-15   
572-997 7 Kingfisher OK   145J TERRA NOVA TELECOM INC. 536   2026-01-12   

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

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