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: LKCHLAWUDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-310 A Lake Charles LA 8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488      
337-312 A Lake Charles LA 8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488      
337-505 A Lake Charles LA 8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-769 A Lafayette LA 8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488      
337-806 A Lafayette LA 8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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