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: 966

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-966 A Gracemont OK GRMTOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-966 0 Gracemont OK GRMTOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-966 1 Gracemont OK OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
405-966 2 Gracemont OK GRMTOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-966 6 Gracemont OK GRMTOKXARP0  1984 OKLAHOMA COMMUNICATION SYSTEM, INC. 536      
405-966 9 Gracemont OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-11-25   

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

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