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: 765 [Rate centres in NPA 765] [Dial plan for NPA 765]

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
765-858 A Rosedale IN CFVLIN01HMD  793K TWC IP ENABLED SERVICES, LLC 336   2026-06-04   
765-858 1 Rosedale IN CFVLIN01HMD  793K TWC IP ENABLED SERVICES, LLC 336   2026-06-04   
765-858 8 Rosedale IN   145J TERRA NOVA TELECOM INC. 336   2026-08-07   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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