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: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-200 A Caddo OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-200 0 Caddo OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-18   
580-200 1 Caddo OK   073H TELNYX LLC 536   2019-09-28   
580-200 2 Caddo OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2014-06-01   
580-200 3 Caddo OK   409F ONVOY, LLC - OK 536   2016-06-15   
580-200 4 Caddo OK   409F ONVOY, LLC - OK 536   2016-06-15   
580-200 5 Caddo OK   409F ONVOY, LLC - OK 536   2020-07-11   
580-200 6 Caddo OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2019-11-18   
580-200 7 Caddo OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2020-05-23   
580-200 8 Caddo OK   409F ONVOY, LLC - OK 536   2019-01-21   
580-200 9 Caddo OK   409F ONVOY, LLC - OK 536   2019-01-21   

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

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