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.

OCN: 1900 K L M TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
417-395 A Rich Hill MO RHHLMOXADS2  522      
417-484 A Metz MO METZMOXARS1  522      
417-927 A Richards MO RCHRMOXARS1  522      
417-966 A Deerfield MO DRFDMOXARS1  522      

Last updated: Sat, 03 Sep 2022 02:15:35 UTC

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