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: 931 [Rate centres in NPA 931] [Dial plan for NPA 931]

NXX: 387

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-387 A Cunningham TN CNHMTNMARS5  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-387 0 Cunningham TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-387 1 Cunningham TN   792K CHARTER IP ENABLED SERVICES, LLC 470   2006-07-08   
931-387 2 Cunningham TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-387 3 Cunningham TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-387 4 Cunningham TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
931-387 5 Cunningham TN   516C AT&T CORP. 470   2011-06-01   
931-387 6 Cunningham TN   124F BANDWIDTH.COM CLEC, LLC - TN 470   2011-06-23   
931-387 7 Cunningham TN   508J CENTURYLINK COMMUNICATIONS, LLC 470   2014-03-18   
931-387 8 Cunningham TN   525E ONVOY, LLC - TN 470   2015-10-29   
931-387 9 Cunningham TN   073H TELNYX LLC 470   2019-06-02   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.