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: LFYTLAMAXIZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-586 A Weeks Island LA 516J TON80 COMMUNICATIONS, LLC 488      
337-627 A Breaux Bridge LA 516J TON80 COMMUNICATIONS, LLC 488      
337-674 A Sulphur LA 516J TON80 COMMUNICATIONS, LLC 488      
337-722 A Lake Charles LA 516J TON80 COMMUNICATIONS, LLC 488      
337-727 A Pine Prairie LA 516J TON80 COMMUNICATIONS, LLC 488      
337-742 A Baldwin LA 516J TON80 COMMUNICATIONS, LLC 488      
337-746 A Carlyss LA 516J TON80 COMMUNICATIONS, LLC 488      
337-748 A Washington LA 516J TON80 COMMUNICATIONS, LLC 488      
337-767 A Crowley LA 516J TON80 COMMUNICATIONS, LLC 488      
337-768 A Roanoke LA 516J TON80 COMMUNICATIONS, LLC 488      
337-832 A St Martinville LA 516J TON80 COMMUNICATIONS, LLC 488      
337-846 A Jeanerette LA 516J TON80 COMMUNICATIONS, LLC 488      
337-848 A Sunset LA 516J TON80 COMMUNICATIONS, LLC 488      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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