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: 710

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
931-710 A Crossville TN CKVLTNXAXDX  525E ONVOY, LLC - TN 470      
931-710 0 Crossville TN   525E ONVOY, LLC - TN 470   2021-05-30   
931-710 1 Crossville TN   5562 METROPCS, INC. 470   2021-05-31   
931-710 2 Crossville TN   7476 POWERTEL NASHVILLE LICENSES, INC. 470   2021-12-20   
931-710 3 Crossville TN   7476 POWERTEL NASHVILLE LICENSES, INC. 470   2021-12-20   
931-710 4 Crossville TN   7476 POWERTEL NASHVILLE LICENSES, INC. 470   2021-12-20   
931-710 5 Crossville TN   4586 BEN LOMAND COMMUNICATIONS, INC. 470   2021-05-31   
931-710 6 Crossville TN   525E ONVOY, LLC - TN 470   2021-10-24   
931-710 7 Crossville TN   525E ONVOY, LLC - TN 470   2025-10-30   
931-710 8 Crossville TN   318J COMCAST IP PHONE, LLC 470   2022-07-02   
931-710 9 Crossville TN   525E ONVOY, LLC - TN 470   2024-12-02   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.