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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-489 A Cement OK CMNTOKMARS1  9533 SOUTHWESTERN BELL 536      
405-489 0 Cement OK   258F WICHITA ONLINE, INC. - OK 536   2014-11-27   
405-489 1 Cement OK   9533 SOUTHWESTERN BELL 536      
405-489 2 Cement OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2015-05-08   
405-489 3 Cement OK   9533 SOUTHWESTERN BELL 536      
405-489 4 Cement OK   409F ONVOY, LLC - OK 536   2018-04-30   
405-489 5 Cement OK   409F ONVOY, LLC - OK 536   2020-07-12   
405-489 6 Cement OK   409F ONVOY, LLC - OK 536   2020-07-12   
405-489 7 Cement OK   145J TERRA NOVA TELECOM INC. 536   2020-12-15   
405-489 8 Cement OK   409F ONVOY, LLC - OK 536   2021-05-28   
405-489 9 Cement OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-19   

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

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