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: KSCYMO45RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
816-612 A Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-612 4 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 A Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 0 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 1 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 3 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 4 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 5 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 6 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 7 Kansas City MO 9533 SOUTHWESTERN BELL 524      
816-672 8 Kansas City MO 9533 SOUTHWESTERN BELL 524      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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