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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Switch: BTRGLA711MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-282 A Baton Rouge LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492      
225-304 A Denham Springs LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492      
225-304 4 Denham Springs LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492      
225-306 2 Zachary LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492   2012-06-14   
225-331 4 Convent LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492   2011-05-16   
225-347 A Denham Springs LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492      
225-347 2 Denham Springs LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492   2010-04-16   
225-706 A Baton Rouge LA 7488 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 492      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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