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.

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

NXX: 513

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-513 A Lake Charles LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-513 0 Lake Charles LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2005-01-02   
337-513 1 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-12-17   
337-513 2 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-07-12   
337-513 3 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-07-12   
337-513 4 Lake Charles LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-513 5 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-04-22   
337-513 6 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-04-22   
337-513 7 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-04-22   
337-513 8 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-03-23   
337-513 9 Lake Charles LA LKCHLADTXDX  5562 METROPCS, INC. 488   2004-02-16   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.