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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-399 A Jones OK JONSOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-399 0 Jones OK OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2008-12-01   
405-399 1 Jones OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-11-25   
405-399 2 Jones OK JONSOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-399 3 Jones OK JONSOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-399 4 Jones OK JONSOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-399 5 Jones OK JONSOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-399 6 Jones OK JONSOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-399 7 Jones OK OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
405-399 8 Jones OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2021-11-06   
405-399 9 Jones OK JONSOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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