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: JPLNMOMADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
417-206 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-347 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-385 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-578 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-621 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-623 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-624 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-625 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-626 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-627 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-659 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-691 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-781 A Joplin MO 9533 SOUTHWESTERN BELL 522      
417-782 A Joplin MO 9533 SOUTHWESTERN BELL 522      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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