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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
620-221 A Winfield KS 9533 SOUTHWESTERN BELL 532      
620-222 A Winfield KS 9533 SOUTHWESTERN BELL 532      
620-222 3 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-222 7 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-222 8 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 A Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 0 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 1 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 2 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 3 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 4 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 5 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 6 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 8 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-229 9 Winfield KS 9533 SOUTHWESTERN BELL 532      
620-705 A Winfield KS 9533 SOUTHWESTERN BELL 532      
620-705 0 Winfield KS 9533 SOUTHWESTERN BELL 532      

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

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