Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DUSNLAMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-873 A Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 0 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 2 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 3 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 4 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 6 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 7 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 8 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      
337-873 9 Duson LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 488      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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