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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-997 A Cherokee OK OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536      
580-997 0 Cherokee OK   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-997 1 Cherokee OK   073H TELNYX LLC 536   2019-09-28   
580-997 2 Cherokee OK   409F ONVOY, LLC - OK 536   2021-06-26   
580-997 3 Cherokee OK   7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536   2017-08-18   
580-997 4 Cherokee OK   409F ONVOY, LLC - OK 536   2020-07-11   
580-997 5 Cherokee OK   409F ONVOY, LLC - OK 536   2020-07-11   
580-997 6 Cherokee OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2016-12-05   
580-997 7 Cherokee OK   409F ONVOY, LLC - OK 536   2021-05-28   
580-997 9 Cherokee OK   409F ONVOY, LLC - OK 536   2021-04-26   

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

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