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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: BTRGLAGWFMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-903 1 Baton Rouge LA 749E ONVOY, LLC - LA 492   2021-10-02   
225-903 2 Baton Rouge LA 749E ONVOY, LLC - LA 492   2021-08-19   
225-903 3 Baton Rouge LA 749E ONVOY, LLC - LA 492   2021-08-19   
225-998 2 Denham Springs LA 749E ONVOY, LLC - LA 492   2024-08-16   
225-998 3 Denham Springs LA 749E ONVOY, LLC - LA 492   2021-04-05   
225-998 6 Denham Springs LA 749E ONVOY, LLC - LA 492   2022-09-25   
225-998 7 Denham Springs LA 749E ONVOY, LLC - LA 492   2021-04-05   
225-998 9 Denham Springs LA 749E ONVOY, LLC - LA 492   2023-09-09   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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