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: STJSMODNFMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
816-259 A St Joseph MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524      
816-338 A Agency MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524      
816-342 A Avenue City MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524      
816-432 A Savannah MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524      
816-484 A San Antonio MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524      
816-689 A St Joseph MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524      
816-749 A St Joseph MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524      
816-954 A Wellington MO 159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524   2024-05-19   

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

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