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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
235-210 A Flat River MO   093F ONVOY, LLC - MO 520   2025-06-01   
235-210 0 Flat River MO   093F ONVOY, LLC - MO 520   2025-06-01   
235-210 1 Flat River MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2025-06-18   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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