Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   2022-08-30   
337-413 3 Franklin LA LFYTLA180MD  8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 488   2010-04-10   
337-413 4 Franklin LA LFYTLAMAXRZ  829J PAETEC ITEL, LLC 488   2013-10-03   
337-413 5 Franklin LA LFYTLAMAX3Y  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488   2016-05-23   
337-413 8 Franklin LA LFYTLA368MD  145J TERRA NOVA TELECOM INC. 488   2024-12-29   
337-413 9 Franklin LA FKLNLAMARS1  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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