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: 740

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-740 A Normandy TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470      
931-740 0 Normandy TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2016-03-03   
931-740 1 Normandy TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2019-02-11   
931-740 2 Normandy TN MMRLTNXADS0  4586 BEN LOMAND COMMUNICATIONS, INC. 470   2020-10-10   
931-740 4 Normandy TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2021-05-22   
931-740 7 Normandy TN NSVLTNMTYNZ  506J TWILIO INTERNATIONAL, INC. 470   2021-05-29   
931-740 8 Normandy TN NSVNTNGN0MD  073H TELNYX LLC 470   2019-06-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.