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: 574

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-574 A Chickasha OK CHCKOKMADS0  9533 SOUTHWESTERN BELL 536      
405-574 0 Chickasha OK   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2011-11-22   
405-574 1 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-574 2 Chickasha OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 3 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-574 4 Chickasha OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 5 Chickasha OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 6 Chickasha OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
405-574 7 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-574 8 Chickasha OK   9533 SOUTHWESTERN BELL 536      
405-574 9 Chickasha OK   9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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