Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Marland, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-268 A MRLNOKMARS1  9533 SOUTHWESTERN BELL 536      
580-268 0   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-21   
580-268 1   9533 SOUTHWESTERN BELL 536      
580-268 2   073H TELNYX LLC 536   2019-09-28   
580-268 3   9533 SOUTHWESTERN BELL 536      
580-268 4   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2019-06-28   
580-268 5   516C AT&T CORP. 536   2012-01-25   
580-268 6   409F ONVOY, LLC - OK 536   2016-06-14   
580-268 7   409F ONVOY, LLC - OK 536   2020-12-25   
580-268 8   409F ONVOY, LLC - OK 536   2020-12-25   
580-415 A OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
580-415 0   073H TELNYX LLC 536   2023-03-31   
580-415 1   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-415 5   409F ONVOY, LLC - OK 536   2021-09-10   

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

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