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: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-502 A Lake Charles LA   829J PAETEC ITEL, LLC 488   2024-12-11   
337-502 0 Lake Charles LA LFYTLAMAX1Y  181D HUNT TELECOMMUNICATIONS, LLC - LA 488      
337-502 1 Lake Charles LA LKCHLA180MD  150C VOICESTREAM GSM I, LLC 488      
337-502 3 Lake Charles LA LFYTLA368MD  145J TERRA NOVA TELECOM INC. 488      
337-502 4 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-502 5 Lake Charles LA   829J PAETEC ITEL, LLC 488      
337-502 6 Lake Charles LA LKCHLA180MD  150C VOICESTREAM GSM I, LLC 488      
337-502 8 Lake Charles LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488      
337-502 9 Lake Charles LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.