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: 731 [Rate centres in NPA 731] [Dial plan for NPA 731]

NXX: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-788 A Michie TN JCSNMSCP74Z  622J SKYE TELECOM LLC DBA SKYETEL 482      
731-788 0 Michie TN   124F BANDWIDTH.COM CLEC, LLC - TN 482   2022-02-19   
731-788 1 Michie TN   792K CHARTER IP ENABLED SERVICES, LLC 482   2024-03-10   
731-788 8 Michie TN   622J SKYE TELECOM LLC DBA SKYETEL 482   2021-11-07   
731-788 9 Michie TN   624H ONVOY SPECTRUM, LLC 482   2024-11-21   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.