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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: OKCYOKSKDS1

Remotes:

Switch Switch name Switch type
CHNDOKMARS1  CHANDLER  RSC 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-775 6 Britton OK 9533 SOUTHWESTERN BELL 536      
405-775 7 Britton OK 9533 SOUTHWESTERN BELL 536      
405-775 8 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 A Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 0 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 1 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 2 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 3 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 5 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 6 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 8 Britton OK 9533 SOUTHWESTERN BELL 536      
405-936 9 Britton OK 9533 SOUTHWESTERN BELL 536      

<< 1 2

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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