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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-674 A Mustang OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536      
405-674 0 Mustang OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2019-11-18   
405-674 1 Mustang OK   073H TELNYX LLC 536   2020-10-03   
405-674 2 Mustang OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2020-06-22   
405-674 3 Mustang OK   409F ONVOY, LLC - OK 536   2025-04-12   
405-674 4 Mustang OK   409F ONVOY, LLC - OK 536   2021-01-29   
405-674 5 Mustang OK   409F ONVOY, LLC - OK 536   2021-01-29   
405-674 6 Mustang OK   409F ONVOY, LLC - OK 536   2021-01-29   
405-674 7 Mustang OK   409F ONVOY, LLC - OK 536   2021-01-29   
405-674 8 Mustang OK   409F ONVOY, LLC - OK 536   2023-03-12   
405-674 9 Mustang OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2019-11-04   

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

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