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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-678 A Stillwater OK OKCYOK951MD  148G CROSS WIRELESS, L.L.C. 536      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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