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: JFCYMOXAXZX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
235-202 A Columbia MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 521   2025-01-25   
573-405 A Vienna MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 521      
573-418 A Jefferson City MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 521      

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

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