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: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
235-200 A Cardwell MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-11-14   
235-200 0 Cardwell MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-11-14   
235-200 1 Cardwell MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-18   
235-200 2 Cardwell MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2024-11-14   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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