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.

Switch: DNSPLAMADS0

Remotes:

Switch Switch name Switch type
LVTNLAMARS1  LIVINGSTON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-271 3 Denham Springs LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 492   2008-01-07   
225-664 A Denham Springs LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 492      
225-665 A Denham Springs LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 492      
225-667 A Denham Springs LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 492      
225-791 A Denham Springs LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 492      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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