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: ALXNLAMAX3Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-604 8 Cottonport LA 260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 486   2024-04-15   
318-739 1 Mansura LA 260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 486   2024-04-15   
318-785 6 Moreauville LA 260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 486   2022-02-05   
318-850 2 Plaucheville LA 260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 486   2024-04-15   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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