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: 504 [Rate centres in NPA 504] [Dial plan for NPA 504]

NXX: 940

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
504-940 A New Orleans LA NWORLAFRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-940 0 New Orleans LA NWORLAFRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-940 1 New Orleans LA NWORLAFRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-940 2 New Orleans LA NWORLAFRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-940 3 New Orleans LA NWORLAFRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-940 4 New Orleans LA NWORLASDIMD  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 490   2005-05-12   
504-940 5 New Orleans LA NWORLAFRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-940 6 New Orleans LA NWORLAFRDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
504-940 7 New Orleans LA NWORLASDIMD  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 490   2005-05-12   
504-940 8 New Orleans LA NWORLASDIMD  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 490   2005-04-03   
504-940 9 New Orleans LA NWORLAMA37Z  150C VOICESTREAM GSM I, LLC 490   2011-10-24   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.