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.
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NPA: 235 [Rate centres in NPA 235] [Dial plan for NPA 235]

NXX: 218

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
235-218 A Jefferson City MO JFCYMOXAX9X  993E BANDWIDTH.COM CLEC, LLC - MO 521   2025-10-02   
235-218 0 Jefferson City MO JFCYMOXAX9X  993E BANDWIDTH.COM CLEC, LLC - MO 521   2025-10-02   
235-218 1 Jefferson City MO   093F ONVOY, LLC - MO 521   2026-09-19   
235-218 6 Jefferson City MO JFCYMOXAXKX  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 521   2025-12-26   
235-218 8 Jefferson City MO   093F ONVOY, LLC - MO 521   2026-09-19   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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