Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-292 A Indiahoma OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-292 0 Indiahoma OK   073H TELNYX LLC 536   2022-09-05   
580-292 1 Indiahoma OK   073H TELNYX LLC 536   2023-06-05   
580-292 2 Indiahoma OK   409F ONVOY, LLC - OK 536   2021-09-10   
580-292 3 Indiahoma OK   409F ONVOY, LLC - OK 536   2021-12-13   
580-292 7 Indiahoma OK   516C AT&T CORP. 536   2022-12-12   
580-292 8 Indiahoma OK   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-292 9 Indiahoma OK   145J TERRA NOVA TELECOM INC. 536   2025-04-09   

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

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