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.
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Switch: CNVIMSMARS9

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-645 A Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 0 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 1 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 3 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 4 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 5 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 6 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 7 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 8 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-645 9 Centreville MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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