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: 447

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-447 A Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 0 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 1 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 2 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 3 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 4 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 5 Norman OK   145J TERRA NOVA TELECOM INC. 536   2025-02-14   
405-447 6 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 7 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 8 Norman OK NRMNOKMADS0  9533 SOUTHWESTERN BELL 536      
405-447 9 Norman OK   409F ONVOY, LLC - OK 536   2025-04-12   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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