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: 413

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-413 A Franklin LA FKLNLAMARS1  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-413 1 Franklin LA   145J TERRA NOVA TELECOM INC. 488      
337-413 3 Franklin LA LFYTLA180MD  8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 488      
337-413 4 Franklin LA   829J PAETEC ITEL, LLC 488      
337-413 5 Franklin LA LFYTLAMAX3Y  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488      
337-413 9 Franklin LA FKLNLAMARS1  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.