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: 601 [Rate centres in NPA 601] [Dial plan for NPA 601]

NXX: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-543 A Hattiesburg MS HTBGMSMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-543 0 Hattiesburg MS HTBGMSMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-543 1 Hattiesburg MS HTBGMSMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-543 2 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      
601-543 3 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      
601-543 4 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      
601-543 5 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      
601-543 6 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      
601-543 7 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      
601-543 8 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      
601-543 9 Hattiesburg MS HTBGMSLUCM1  6581 CELLULAR SOUTH, INC. 482      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.