Local Calling Guide

Area code/prefix search

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NPA: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-505 A Lake Charles LA LKCHLAWU1MD  8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488      
337-505 0 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 1 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 2 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 3 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 4 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 5 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 6 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 7 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 8 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   
337-505 9 Lake Charles LA   8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2005-06-16   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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