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: NRMNOKMADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-217 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-217 1 Norman OK 9533 SOUTHWESTERN BELL 536      
405-217 6 Norman OK 9533 SOUTHWESTERN BELL 536      
405-217 7 Norman OK 9533 SOUTHWESTERN BELL 536      
405-217 8 Norman OK 9533 SOUTHWESTERN BELL 536      
405-217 9 Norman OK 9533 SOUTHWESTERN BELL 536      
405-253 8 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 0 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 1 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 2 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 3 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 5 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 6 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 7 Norman OK 9533 SOUTHWESTERN BELL 536      
405-292 9 Norman OK 9533 SOUTHWESTERN BELL 536      
405-307 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-321 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-329 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-360 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-364 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-366 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 0 Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 1 Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 2 Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 3 Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 4 Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 6 Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 7 Norman OK 9533 SOUTHWESTERN BELL 536      
405-447 8 Norman OK 9533 SOUTHWESTERN BELL 536      
405-515 0 Norman OK 9533 SOUTHWESTERN BELL 536   2009-08-11   
405-515 1 Norman OK 9533 SOUTHWESTERN BELL 536   2009-08-11   
405-515 2 Norman OK 9533 SOUTHWESTERN BELL 536   2009-08-11   
405-515 3 Norman OK 9533 SOUTHWESTERN BELL 536   2009-08-11   
405-515 4 Norman OK 9533 SOUTHWESTERN BELL 536   2009-08-11   
405-515 5 Norman OK 9533 SOUTHWESTERN BELL 536   2009-08-11   
405-515 6 Norman OK 9533 SOUTHWESTERN BELL 536   2009-08-11   
405-573 A Norman OK 9533 SOUTHWESTERN BELL 536      
405-579 A Norman OK 9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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