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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OCN: 597F VOIP INNOVATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
954-429 6 Deerfield Beach FL MIAMFL98X4X  46017   2019-07-11   
954-669 A Fort Lauderdale FL MIAMFL98X4X  46017      
954-669 1 Fort Lauderdale FL MIAMFL98X4X  46017   2019-03-25   
979-800 0 Garwood TX HSTNTXYALMD  560   2020-07-03   
980-423 A Charlotte NC CHRLNCTAXQY  422      
980-423 1 Charlotte NC CHRLNCTAXQY  422   2019-08-08   
980-584 A Belmont NC   422   2026-09-17   
980-584 0 Belmont NC   422   2026-09-17   
983-233 A Denver CO DNVTCO56BMD  656   2026-07-10   
983-233 0 Denver CO DNVTCO56BMD  656   2026-07-10   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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