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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-621 A Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 0 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 1 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 2 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 3 Bethany OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2014-09-01   
405-621 4 Bethany OK STWROK06DS0  4630 CHICKASAW TELECOMMUNICATIONS SERVICES, INC. 536   2002-11-04   
405-621 5 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 6 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 7 Bethany OK OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA - OK- LLC 536   2009-06-01   
405-621 8 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 9 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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