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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-345 A Sparta TN NSVNTNGN5MD  965H FRACTEL, LLC 470      
931-345 0 Sparta TN CKVLTNXAXDX  525E ONVOY, LLC - TN 470   2023-11-02   
931-345 1 Sparta TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2021-07-10   
931-345 2 Sparta TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-09-13   
931-345 3 Sparta TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-09-13   
931-345 4 Sparta TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2020-09-13   
931-345 5 Sparta TN NSVLTNMTYNZ  506J TWILIO INTERNATIONAL, INC. 470   2021-05-29   
931-345 6 Sparta TN NSVNTNGN5MD  965H FRACTEL, LLC 470   2020-09-12   
931-345 7 Sparta TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2021-02-17   
931-345 8 Sparta TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2021-02-17   
931-345 9 Sparta TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2021-07-10   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.