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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Switch: PRTTKSNIRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
620-450 A Pratt KS 9533 SOUTHWESTERN BELL 532      
620-450 1 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-450 2 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-450 7 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-450 8 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-450 9 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-508 A Pratt KS 9533 SOUTHWESTERN BELL 532      
620-508 0 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-672 A Pratt KS 9533 SOUTHWESTERN BELL 532      
620-770 A Pratt KS 9533 SOUTHWESTERN BELL 532      
620-770 0 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-770 1 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-770 2 Pratt KS 9533 SOUTHWESTERN BELL 532      
620-770 3 Pratt KS 9533 SOUTHWESTERN BELL 532      

Last updated: Fri, 13 May 2022 22:16:13 UTC

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