Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 454

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-454 A Harrah OK HRRHOKMARS1  9533 SOUTHWESTERN BELL 536      
405-454 0 Harrah OK HRRHOKMARS1  9533 SOUTHWESTERN BELL 536      
405-454 1 Harrah OK HRRHOKMARS1  9533 SOUTHWESTERN BELL 536      
405-454 2 Harrah OK HRRHOKMARS1  9533 SOUTHWESTERN BELL 536      
405-454 3 Harrah OK HRRHOKMARS1  9533 SOUTHWESTERN BELL 536      
405-454 4 Harrah OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-27   
405-454 5 Harrah OK OKCYOKCEXXY  516C AT&T CORP. 536   2011-02-05   
405-454 6 Harrah OK HRRHOKMARS1  9533 SOUTHWESTERN BELL 536      
405-454 7 Harrah OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-27   
405-454 8 Harrah OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-27   
405-454 9 Harrah OK HRRHOKMARS1  9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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