Local Calling Guide

Area code/prefix search

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

NXX: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
731-274 A Sidonia TN MMPHTNMA82Z  508J CENTURYLINK COMMUNICATIONS, LLC 468      
731-274 0 Sidonia TN   525E ONVOY, LLC - TN 468   2018-11-04   
731-274 1 Sidonia TN   073H TELNYX LLC 468   2021-01-23   
731-274 3 Sidonia TN   525E ONVOY, LLC - TN 468   2022-12-29   
731-274 4 Sidonia TN   525E ONVOY, LLC - TN 468   2021-03-15   
731-274 5 Sidonia TN   704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 468   2023-01-13   
731-274 6 Sidonia TN   337J WEST KENTUCKY & TENNESSEE TELECOMMUNICATIONS CO-OP 468   2022-01-28   
731-274 7 Sidonia TN   508J CENTURYLINK COMMUNICATIONS, LLC 468   2018-02-01   
731-274 8 Sidonia TN   525E ONVOY, LLC - TN 468   2019-04-12   
731-274 9 Sidonia TN   525E ONVOY, LLC - TN 468   2019-04-12   

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

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