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: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-634 A Lake Charles LA LFYTLA3624Z  490J DISH WIRELESS, LLC 488      
337-634 0 Lake Charles LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488      
337-634 1 Lake Charles LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488      
337-634 2 Lake Charles LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488      
337-634 3 Lake Charles LA   6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 488      
337-634 4 Lake Charles LA   8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 488      
337-634 5 Lake Charles LA   515J IP HORIZON LLC 488      
337-634 6 Lake Charles LA   749E ONVOY, LLC - LA 488      
337-634 7 Lake Charles LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488      
337-634 8 Lake Charles LA LFYTLAMAX7Z  624H ONVOY SPECTRUM, LLC 488      
337-634 9 Lake Charles LA LFYTLA3624Z  490J DISH WIRELESS, LLC 488      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.