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: 225 [Rate centres in NPA 225] [Dial plan for NPA 225]

NXX: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
225-580 A Baton Rouge LA BTRGLA12XSZ  700J WAVENATION, LLC 492   2026-04-24   
225-580 0 Baton Rouge LA BTRGLA12XSZ  700J WAVENATION, LLC 492   2026-04-24   
225-580 1 Baton Rouge LA   153F BANDWIDTH.COM CLEC, LLC - LA 492   2026-11-07   
225-580 8 Baton Rouge LA   749E ONVOY, LLC - LA 492   2026-10-11   
225-580 9 Baton Rouge LA   153F BANDWIDTH.COM CLEC, LLC - LA 492   2026-11-07   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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