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: NEVDMONORS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
417-448 A Nevada MO 9533 SOUTHWESTERN BELL 522      
417-448 1 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-448 2 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-448 3 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-448 5 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-448 8 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-549 A Nevada MO 9533 SOUTHWESTERN BELL 522      
417-549 6 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-549 9 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 A Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 0 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 2 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 3 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 4 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 5 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 6 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 7 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 8 Nevada MO 9533 SOUTHWESTERN BELL 522      
417-667 9 Nevada MO 9533 SOUTHWESTERN BELL 522      

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

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