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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-504 A Minco OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
405-504 0 Minco OK   409F ONVOY, LLC - OK 536   2021-10-28   
405-504 1 Minco OK   409F ONVOY, LLC - OK 536   2022-12-21   
405-504 2 Minco OK   409F ONVOY, LLC - OK 536   2020-07-12   
405-504 3 Minco OK   409F ONVOY, LLC - OK 536   2020-07-12   
405-504 4 Minco OK   409F ONVOY, LLC - OK 536   2020-12-25   
405-504 5 Minco OK   409F ONVOY, LLC - OK 536   2020-12-25   
405-504 6 Minco OK   197D VONAGE AMERICA LLC 536   2021-07-11   
405-504 8 Minco OK   409F ONVOY, LLC - OK 536   2021-09-23   
405-504 9 Minco OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2019-05-04   

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

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