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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-204 A Boswell OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-204 0 Boswell OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-18   
580-204 1 Boswell OK   073H TELNYX LLC 536   2021-03-22   
580-204 2 Boswell OK   073H TELNYX LLC 536   2019-09-28   
580-204 3 Boswell OK   409F ONVOY, LLC - OK 536   2021-03-04   
580-204 4 Boswell OK   409F ONVOY, LLC - OK 536   2016-06-14   
580-204 5 Boswell OK   409F ONVOY, LLC - OK 536   2021-03-04   
580-204 6 Boswell OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2017-10-20   
580-204 7 Boswell OK   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-204 8 Boswell OK   409F ONVOY, LLC - OK 536   2021-07-16   
580-204 9 Boswell OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2020-10-30   

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

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