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: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-301 A Elton LA LFYTLA18X1X  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 488      
337-301 1 Elton LA LFYTLA18X1X  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 488   2011-08-12   
337-301 7 Elton LA LFYTLAMAXUY  508J CENTURYLINK COMMUNICATIONS, LLC 488   2014-09-12   
337-301 8 Elton LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2015-03-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.