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: BASNMOXAXEX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
417-308 A Aurora MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 522      
417-320 A Branson MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 522      
417-386 A Branson West MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 522      
417-544 A Branson MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 522      
417-731 A Ozark MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 522      

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

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