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: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-777 A Dyersburg TN MMPHTNMADS7  276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 468      
731-777 0 Dyersburg TN   5562 METROPCS, INC. 468   2016-05-29   
731-777 1 Dyersburg TN   525E ONVOY, LLC - TN 468   2016-06-04   
731-777 2 Dyersburg TN   525E ONVOY, LLC - TN 468   2016-06-04   
731-777 3 Dyersburg TN   525E ONVOY, LLC - TN 468   2016-06-04   
731-777 4 Dyersburg TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 468   2023-10-01   
731-777 5 Dyersburg TN   525E ONVOY, LLC - TN 468   2019-02-17   
731-777 6 Dyersburg TN   525E ONVOY, LLC - TN 468   2019-02-17   
731-777 7 Dyersburg TN   276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 468   2016-05-28   
731-777 8 Dyersburg TN   5562 METROPCS, INC. 468   2018-03-24   
731-777 9 Dyersburg TN   073H TELNYX LLC 468   2017-03-29   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.