Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 783

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-783 A Byars OK BYRSOKMARS1  9533 SOUTHWESTERN BELL 536      
405-783 0 Byars OK   073H TELNYX LLC 536   2021-04-09   
405-783 1 Byars OK   9533 SOUTHWESTERN BELL 536      
405-783 2 Byars OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2018-09-20   
405-783 3 Byars OK   409F ONVOY, LLC - OK 536   2021-04-26   
405-783 4 Byars OK   9533 SOUTHWESTERN BELL 536      
405-783 5 Byars OK   409F ONVOY, LLC - OK 536   2016-04-14   
405-783 6 Byars OK   409F ONVOY, LLC - OK 536   2016-04-14   
405-783 7 Byars OK   409F ONVOY, LLC - OK 536   2016-06-29   
405-783 8 Byars OK   409F ONVOY, LLC - OK 536   2016-06-29   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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