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: AXVSMOXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-236 A Rhineland MO 1901 KINGDOM TEL. CO. 520      
573-252 A Bigspring MO 1901 KINGDOM TEL. CO. 520      
573-254 A Williamsburg MO 1901 KINGDOM TEL. CO. 520      
573-386 A Auxvasse MO 1901 KINGDOM TEL. CO. 520      
573-387 A Hatton MO 1901 KINGDOM TEL. CO. 520      

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

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