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: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
225-420 A Zachary LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-07-29   
225-420 0 Zachary LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-07-29   
225-420 1 Zachary LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-07-29   
225-420 2 Zachary LA   749E ONVOY, LLC - LA 492   2025-04-07   
225-420 3 Zachary LA   749E ONVOY, LLC - LA 492   2025-05-10   
225-420 6 Zachary LA   749E ONVOY, LLC - LA 492   2025-02-01   
225-420 7 Zachary LA   749E ONVOY, LLC - LA 492   2025-02-01   
225-420 8 Zachary LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-11-02   
225-420 9 Zachary LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2024-12-15   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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