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: LYLSTNMARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
615-412 A Spencer Mill TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
615-412 6 Spencer Mill TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 A Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 0 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 1 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 2 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 3 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 4 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 5 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 6 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-670 7 Lyles TN 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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