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: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-424 A Leesville (Vernon) LA LKCHLA180MD  6664 SPRINT SPECTRUM, L.P. 488      
337-424 0 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2007-11-30   
337-424 1 Leesville (Vernon) LA LKCHLA180MD  150C VOICESTREAM GSM I, LLC 488      
337-424 2 Leesville (Vernon) LA LKCHLA180MD  150C VOICESTREAM GSM I, LLC 488      
337-424 3 Leesville (Vernon) LA LKCHLA180MD  150C VOICESTREAM GSM I, LLC 488      
337-424 4 Leesville (Vernon) LA   145J TERRA NOVA TELECOM INC. 488   2024-02-13   
337-424 5 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2008-07-10   
337-424 6 Leesville (Vernon) LA LKCHLA180MD  150C VOICESTREAM GSM I, LLC 488      
337-424 7 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2008-09-11   
337-424 8 Leesville (Vernon) LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2008-12-04   
337-424 9 Leesville (Vernon) LA LKCHLA180MD  6664 SPRINT SPECTRUM, L.P. 488      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.