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: WCHTKSTERS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
316-821 A Wichita KS 9533 SOUTHWESTERN BELL 532      
316-821 2 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-821 9 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-828 A Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 A Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 0 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 2 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 3 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 4 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 5 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 6 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 8 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-831 9 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 A Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 0 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 1 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 2 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 3 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 4 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 6 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-832 9 Wichita KS 9533 SOUTHWESTERN BELL 532      
316-838 A Wichita KS 9533 SOUTHWESTERN BELL 532      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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