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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-500 A Parsons TN PRSSTNXAPS0  0575 TENNESSEE TEL. CO. 468      
731-500 0 Parsons TN   965H FRACTEL, LLC 468   2020-08-08   
731-500 1 Parsons TN   0575 TENNESSEE TEL. CO. 468   2013-11-20   
731-500 2 Parsons TN   525E ONVOY, LLC - TN 468   2022-12-23   
731-500 5 Parsons TN   965H FRACTEL, LLC 468   2020-08-08   
731-500 8 Parsons TN   624H ONVOY SPECTRUM, LLC 468   2024-12-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.