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: 985 [Rate centres in NPA 985] [Dial plan for NPA 985]

NXX: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
985-661 A Slidell LA SLIDLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
985-661 0 Slidell LA   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
985-661 1 Slidell LA   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
985-661 2 Slidell LA   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
985-661 3 Slidell LA   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
985-661 4 Slidell LA   145J TERRA NOVA TELECOM INC. 490   2023-04-29   
985-661 5 Slidell LA   749E ONVOY, LLC - LA 490   2023-08-11   
985-661 6 Slidell LA   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
985-661 7 Slidell LA   6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 490   2023-10-12   
985-661 8 Slidell LA   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      
985-661 9 Slidell LA   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 490      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.