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: BTRJLALD0MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-517 1 St Gabriel LA 939H COMMIO, LLC 492   2024-01-13   
225-517 2 St Gabriel LA 939H COMMIO, LLC 492   2024-01-13   
225-517 3 St Gabriel LA 939H COMMIO, LLC 492   2024-01-13   
225-517 4 St Gabriel LA 939H COMMIO, LLC 492   2024-01-13   
225-517 7 St Gabriel LA 939H COMMIO, LLC 492   2024-01-13   
225-517 8 St Gabriel LA 939H COMMIO, LLC 492   2024-01-13   
225-517 9 St Gabriel LA 939H COMMIO, LLC 492   2024-01-13   
225-527 0 Denham Springs LA 939H COMMIO, LLC 492   2022-07-23   
225-586 8 Plaquemine LA 939H COMMIO, LLC 492   2022-07-23   
225-592 0 Zachary LA 939H COMMIO, LLC 492   2022-07-23   
225-832 0 New Roads LA 939H COMMIO, LLC 492   2022-12-10   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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