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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-388 A Jennings LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-388 0 Jennings LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-388 1 Jennings LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-388 2 Jennings LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488      
337-388 3 Jennings LA LFYTLA180MD  8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 488      
337-388 4 Jennings LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      
337-388 5 Jennings LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      
337-388 6 Jennings LA LFYTLAMAX3Y  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488      
337-388 7 Jennings LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488      
337-388 8 Jennings LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-388 9 Jennings LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.