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: 305 [Rate centres in NPA 305] [Dial plan for NPA 305]

Region: FL

OCN: 765A IDT AMERICA CORP. - FL

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
305-397 8 Miami FL MIAUFLWS9MD  46017   2007-05-15   
305-763 8 Miami FL MIAUFLWS9MD  46017   2007-11-20   
305-974 0 North Dade FL MIAUFLWS9MD  46017   2007-05-15   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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