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      
405-621 4 Bethany OK STWROK06DS0  4630 CHICKASAW TELECOMMUNICAIONS SERVICES, INC. 536      
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      
405-621 8 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      
405-621 9 Bethany OK OKCYOKPADS0  9533 SOUTHWESTERN BELL 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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