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: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-991 A Lindsay OK ENIDOKMA7MD  390E CEBRIDGE TELECOM OK, LLC DBA SUDDENLINK COMMS - OK 536      
405-991 1 Lindsay OK   145J TERRA NOVA TELECOM INC. 536   2025-07-12   
405-991 3 Lindsay OK   390E CEBRIDGE TELECOM OK, LLC DBA SUDDENLINK COMMS - OK 536   2022-04-11   
405-991 8 Lindsay OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2024-12-23   

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

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