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: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
225-458 A Montpelier LA   792K CHARTER IP ENABLED SERVICES, LLC 492   2025-03-19   
225-458 0 Montpelier LA BTRGLAGWXPZ  624H ONVOY SPECTRUM, LLC 492   2023-08-07   
225-458 1 Montpelier LA   792K CHARTER IP ENABLED SERVICES, LLC 492   2021-12-03   
225-458 2 Montpelier LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2022-12-05   
225-458 3 Montpelier LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2022-12-05   
225-458 8 Montpelier LA BTRGLAGWFMD  749E ONVOY, LLC - LA 492   2023-09-23   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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